Imma bet money it's TERFs trying to pull the "this MAN was rude to a WOMAN in 1974 once and must PAY" card in order to have us lefties tear at each other's throats and delegitimize one of the big voices pushing back against fascist bigotry on Airstrip One.
You’re not wrong. This is absolutely put out by people who investigated and publicized it because they are disgusting bigots and they hate him. Unfortunately, the accusers do seem credible, though, and hating the source doesn’t exonerate Gaiman.