What is productive is being a respectful evangelist for the ethos you want to inculcate in the next generation.
What's forgotten about enculturation of newcomers is that most of them have no strongly held beliefs about the new domain.
Which is an opportunity for education and pursuasion, with a little elbow grease and diplomatic effort.
Invention: Fuck the gov't, have fun buying all the drugs on earth!
Mass-adoption: We can lock JPEGS in a box you have to pay to unlock!
We know different old school hackers.
Doesn't this happen in every movement? The movement shifts things far enough that people don't see the movement any more since they're more comfortable.
I mean I'm generalizing as much as you are here; "most people" and "most hackers" are weasel words (https://rationalwiki.org/wiki/Weasel_word).