I don’t think David realizes what a negative poster he is, heavily dependent on words like stupid, dumb. We’re all out of step but him. I’m pro Israel, yet I don’t appreciate that mostly the only positive things he posts are about Israel, though not Israel’s God.
Admittedly a few pro science posts.

His negativity has even been directed at his own family, mother and son. His earlier posts were all about how stupid his managers all were, and implied how superior he was.

I conclude that he is a bitter and disappointed person.