Honestly, I am not sure who to believe here. On the one side we have weak-ass excuses and an apparent history of controversy and/or shit-stirring. On the other, we have a black woman with opinions and visibility. Some assholes out there (some of whom do indeed have tech skills) don’t need any other reason.
Then again, “I never wrote that” is miles away from “I have never had those kinds of opinions”. It’s actually possible for both sides of this to be true: even if it turns out those posts aren’t by her, it doesn’t put her in the clear.
If we have to live in a fictional universe, does it have to be the one just before we get to The Diamond Age?