I was listening to the band "Queen" and this kinda popped up in my mind: What would monsters in general think of the song "Another One Bites the Dust"? I mean, that song was likely made well before monsters came to the surface so the song probably didn't have an "anti-monsters" intentionally...
That song makes all the boys uncomfortable but all to different extents.
The Underfell and Swapfell boys don’t like it because it reminds them of the things they did to survive in a kill or be killed world. All four of them have Dust on their hands and the thought still makes them feel as if they don’t deserve the happiness of living on the surface.
For the Horrortale bros it reminds them that with every passing year more and more monsters were falling down do to lack of food and hope.
The Undertale and Underswap Bros are very disturbed by the imagery and makes both Papyrus and Blue a bit queasy.