Using AI by artists to assist in their work isn't bad; in fact, that should be its initial use.
I'm only against its use to copy other people's art and treat it as art.
It's not just the translation that needs progress, there's a bug in one of the missions further on that you can't get past.
In the fight against catboy I actually used a joiplay cheat.
The word ryona is a type of sexual fetish in hentai where in a protagonist, usually female, is subject to physical or psychological abuse from an offender.
On Wikipedia you can find out more.