That's the brilliance of the Genocide route though, right? It's a commentary on the idea that you must complete absolutely everything in a game, even if you're not having fun and even if you have to put aside your emotional investment in these characters to even complete it.

@HumanSpawn Of course, you're absolutely right, that meta aspect of the storytelling is great. HOWEVER, at the end of the day it's really not that fun to play, to the point where I actually DIDN'T bother completing it. And I feel like if the gameplay is so unfun that it messes with the meta commentary of the game, that gameplay is too much of a drag on the complete experience.
Ideally, I would've made the Genocide route just as boring, but not quite as long. That way, players would only really realize how empty the experience was AFTER they completed it, rounding out the experience, rather than risking people not even embodying the meta commentary cause they got bored and left.