I don't think so (I asked in the comments and from the responses I got can only conclude that this is NOT the norm). But the fact that the professor himself ha

I don't think so (I asked in the comments and from the responses I got can only conclude that this is NOT the norm). But the fact that the professor himself has no problem sharing this online is concerning itself. This should, in my opinion, appear immediately and obviously unethical to everyone involved, even if you share the professors political outlook completely...