Unsurprisingly, I've got a lot of folks who haven't heard about these instances of antiblackness from dansup. This is how I know most fedi users in general either aren't connected to Black users or don't listen to the ones they are connected to, since this is something we have spoken about before. This is a systemic problem.
Anyway, here's a post from WP (AKA a White Person) discussing several of his posts: https://mastodon.art/@welshpixie/113822469270748843
And here's a thread going into more depth about AAVE, with links to contextualize and explain why his consistent appropriation of it is indeed antiblack:
https://mastodon.art/@welshpixie/113825727607965530