>>98642333imo, the appropriate response to virtue signalling is to just keep scrolling, especially if they have any ability in art. are they turning white characters black for views? likely, but you're now giving their art a wider range by reposting it next to pictures of simpsons inflation porn. i've never seen a reason to draw attention to anything like that unless its extra poor in quality, or some fucked up fetish.
also, pretty sure most people view race-bending about the same as gender-bending, and no amount of criticizing or bullying will make people pull their hands off their dick when their favorite superhero gets bimbo-fied on /aco/