Scale matters: small/medium is beautiful, more stable & genuinely more efficient long term. Large becomes top-down. - Nassim Nicholas Taleb

For soldiers, we use the term "mercenary," but we absolve employees of responsibility with "everybody needs to make a living."

If the professor is not capable of giving a class without preparation, don’t attend. People should only teach what they have learned organically, through experience and curiosity…or get another job.

And, as expected, via negativa is part of classical wisdom. For the Arab scholar and religious leader Ali Bin Abi-Taleb (no relation), keeping ones distance from an ignorant person is equivalent to keeping company with a wise man.