Reasons I hated the ending;
Inconsistent ooc writing. I don't know who the f was on my screen but that wasn't the Sam or Dean we've grown with for fifteen years.
Plot holes; the vampire mimes??? Where did they come from?? Because John thought Vampires were extinct until Dead Man's Blood and then he's you know dead so when did he have this supposed hunt with these pathetic excuses for a typical monster of the week villain let alone the last ever one?
Jenny. She wasn't even named in her first episode. Not once in fifteen years did one viewer go "I wonder what happened to her". Nostalgia? Most people didn't recognize her. She's only notable for being part of the first wlw and same-sex kiss on the show which was nonconsensual because the other girl forced herself on Jenny and only did it for the amusement of the men watching. There's also interesting points regarding to the show's vilification of queer people in the early seasons as majority of the first queer characters were what the show deemed monsters and were portrayed as predatory or destructive (they literally had Lily accidentally kill her girlfriend by touching her) and if they were "human" they were used as the punchline until Charlie when we actually got good rep and she was eventually butchered. Most queer characters ended up dead, or at least dead from some time. Only four queer characters are even hinted to be alive at the end (we don't know nothing about Charlie 2.0's fate), Kaia and Claire who's reunion and overall ending is left open to interpretation (hinted they're alive as Donna texted Sam which hints the wayward sisters are ok), Max who as far as we are aware is still condemned to go to Hell when he dies and Chuck one of if not the only canon bisexual males in the show was vilified to such a significant degree it doesn't matter that he's still alive. To have Jenny be the character they bring back while ignoring the show's integral queer characters like Charlie or Crowley or Claire or Cas etc is something else when the nonconsensual kiss was what turned her into a vampire.
Of the three female characters we see in the finale none have any connections to the viewers. Jenny the only character we've seen before is killed immediately. Blurry wife literally only exists to provide the womb for Sam to have a son to name after Dean so it doesn't look like he kidnapped a random kid, she's not deemed important enough to be even seen properly. "Sam could've ended up with anymore it's open to interpretation" bullshit because that's clearly a white woman which erases so many interpretations and it is so clearly a cop out. The third is a woman who literally gets silenced at the start of the episode, she gets her tongue cut out. The most we get is a text from Donna and a line about Mary.
Cas' ending. You pulled Chekhov's gun out. The gun had to go off but instead of acknowledging his confession, they refused to allow Dean to voice his feelings, refused to even give Cas a concrete ending. We don't know for an absolute fact if he's in heaven, all we're told is Cas helped. His death is literally bury your gays, an example of out of the closet and into the fire. He deserved better as a main character of twelve years.
Dean's death is problematic as fuck. His death is implied to be a suicide. It's said to be a good thing, him dying, him dying that way. This still fucks me up. He deserved to live. He deserved so much, I see him having some sort of roadhouse like Ellen taking care of wayward children and hunters alike, and having some sort of auto shop like Bobby did. I see him aged and happy. I see Cas beside him as he should be.
Sam's ending is bullshit. It erases fifteen years of character development, of relationships and it makes it all pointless. Sam is forced to lead the life he would've lived had Dean not showed up at his dorm in the pilot. What was the point of any of it? Was Dean just a fifteen year interruption of his brother's real life? His character arc was leading towards a completely different route and they did a full 180 and regressed his character so much. Sam should've become the next Bobby, teaching and helping a new generation of hunters and he should've gotten to keep/use his powers. He should've gotten to pass on Rowena's knowledge to a new generation of witches too and I'll die on both those hills.
EILEEN LEAHY DESERVED FUCKING BETTER. First you kill her by hellhounds. You kill a deaf woman with something she needs to be able to hear in order to have a chance at surviving. Second you bring her back, develop her and Sam's relationship and then you kill her again, don't give Sam a chance to even react to it and then leave her fate unknown and then throw in blurry wife to add insult to injury.
The pacing was so off. Like carry on wayward son plays back to back twice in a weird montage??
The party city wig. It's genuinely laughable. Like that's what the cw went broke over lmfao.
It's hilariously bad for your average monster of the week episode. As a final ever episode, it's like spitting and peeing into the fans drink and forcing them to drink it.
It wasn't for the fans. I know some fans liked it, I disagree with their opinions but respect them BUT it's clear that the episode was the way it was for people who ditched the show earlier on in it's run could tune in and not feel like they missed anything, which for a show with 15 seasons should never have been the case. It was a kick in the face for those who stuck it out from beginning to end
Amara's ending doesn't sit right with me. Like she's just absorbed into Jack? Jack at three is God? Amara should've been God and Jack should've gotten to be a kid on Earth.
Rusty. Nail. Andrew Dabb why did you hate Dean Winchester and Jensen Ackles?
What about Cas' deal with Ruby? What about Rowena and the demons in Hell? What happened to Adam? Everyone Chuck snapped allegedly got brought back (no confirmation on Eileen, Charlie 2.0 or Stevie) but Michael got vaporized in Adam's body so what happened to Adam next? Forgotten again ffs. The vamp mimes are their own plot hole but how did they and Jenny team up? Like what connection did they even have? I could go on forever on forgotten plotlines and blatant plot holes.
John Winchester being in heaven.
Ruining carry on my wayward son. It's literally a jump scare at this point for me
Things I liked about the finale;
The party city wig for the memes only