They say he's a disgusting self-insert.

So, he isn't here beacuse of his creator, Nicchi/Blackout1912/LeBlackout/Blackout/Justin Niclas Kannenberg?

"They allow other villains by people who have done the same"

This is said on the Dormitabis Wiki regarding this question.

Is it true?

The original Dormitabis is shock value and the work is too controversial to be morally scaled probably cause the creator most likely did a Yanderedev but idk