Yeah, the less she does, the less trouble she is.
They appreciate her incapacity.
Turned into an vocals-only rock concert.
No, she has a cow's tongue. She's not as graceful as a cat.
"It may look like industrial waste."
And it seems less healthy than that, since I doubt she'd drop dead that fast from industrial waste. It would just build up, make her throw up and get increasingly sick over time.
To think it's the actual monster who killed them instead of Karla
That's not how I would define "actual monster."