In addition, history is long and tech grows fast. I imagine at some future point and well within our lifetimes it will be trivial to infer our political attitudes and assign semi-anonymous screen names to real persons just by scrapping the web of 2016. Especially since absolute certainty of guilt is not the highest priority in these cases.

And since there's very real possibility of having a lunatic at the helm of government at some point, yes, one had better speak up now.