This article has very little context. Here is the kind of comment he was receiving:
https://www.threads.com/@thehawthornelibrary/post/DUE7PWnjIm...So the "backlash" is people on threads complaining that he isn't morally pure enough because he invested in SpaceX. This is to be expected from the "everything is political" types of people that are prevalent on Threads (and BlueSky). Tom should just ignore them.