He might have a poor sense of humor, but our district here is one of, if not THE most Conservative district in the US. He is fully aware of the attempted coup and has said so many times. And if he said he was being sarcastic, it was not because he doesn’t believe it, he was being sarcastic in another way with his post. How someone knee jerked to the opposite assumption I have no clue. They obviously do not know him as we do. He is like our local Trump and will not bend.
He apparently was retweeting a qanon posting but non followers of qanon also are of the same persuasion that a coup of the Trump presidency was being attempted.