Syzygys: "Why do you think fascism behaved stupidly?"
It's my opinion that fascism is a flagrant form of collective stupidity.
"Because they lost?"
Fascism is still a replicating and mutating virus, so it has not yet "lost".
"Would you have asked the same question in 1941 when the Germans owned pretty much whole Europe?"
They took a very violent European tour. It was not well received. They never owned anyone.
"What is the historical definition of stupid?"
I this particular context, people who are inept to serve from a position of authority.
"Do you mean loser?"
Yes, stupid behavior makes people and collectives prone to failure.
"You can not ask overgeneralized questions without defining the words in them... "
That's why I started the thread with an embedded link for context. I think truth is often mistaken for ubiquity and triviality, because it is intrinsically common to many contexts.
"Is starting stupid threads on Sciforums unethical?"
Are you sure this is a stupid thread, or is it possible that you have only considered it superficially so far?
Anyway, I think the US President reacted eloquently and properly in describing the bully culture that has been spreading our society: It's stupid.
Allow me to rephrase: Educators, trainers, and coaches know that it is most effective to criticize the performance, rather than the performer. I am offering for your consideration that it is in fact stupid to behave unethically, and particularly to entertain and defend authoritarianist behavior personally or institutionally. So is it not true, that stupid is, as stupid does?