He donated in the primaries. He told the democrats he would donate again in the general, but didn't. Like a month ago there was articles like "Where is the $100MM Sam promised the Democrats, he's donated nothing in the general"
What a lovely democratic process it is, candidates weighing up which industry interest has done the best job at wooing them. SBF is another reminder of how far down the list of priorities integrity actually sits (not that he succeeded here, but that he's in good company in the approach).