I feel like there is a point in manga Death Note's general lack of gore because it shows how easy it is to kill when you have such power. You don't usually see the characters dying brutally. It's always from Light's perspective, to him, the people that he kills are just props and their deaths are just an event that has to happen. Even when we see L's death play out in full it's just from Light's POV, you don't see how painful or terrifying it is to die in such a way ...
Until the last few chapters where they get hella philosophical and upon realizing he was going to die, Light grovels and begs pathetically, he writhes and screams, all while Ryuk is standing over him like "welp you know how it goes, you got 40 seconds man"
The true horror that Light has committed in 6 years came back to slap him in the face. How many has he killed? So brutally? Thousands? Hundred thousands? Now he has to feel what they feel. It's a horrific reminder and a perfect end for such an unsympathetic villain
I respect the anime's changes for this specific scene, partly because I think adapting this faithfully probably would put a lot of mental strain on a voice actor. Especially since Miyano Mamoru said at some point that voicing Light put him in a perpetual bad mood. Would not want to push, I am good with reading. But they shoulda kept Near's existential monologues
