Dude, it's not that serious. You can make Garnold talk in your AU; it's an alternate universe, after all!
I know, but the people (even the owner) of NyankoBF's Cat Base saw me as ableist for making Garnold talk in my AU when he canonically can't!
"You were banned in NyankoBF’s Cat Base. | Refusing to listen to staff unless threatened with a ban, showing borderline parasocial and obsessive behavior and being stubborn about trying to heal a Disabled character. Please use this as a learning experience and do your research before trying to remove something from a character."