This isn’t isolated to tech, it would apply to any insular community. To use a tech analogy, if you trained a machine learning model based on the preferences and viewpoints of only people who worked in tech, you’d end up with an overfitted and not very general model.
Your brain is trained on viewpoints you are exposed to as well, and you risk over fitting your brain to a narrow set of viewpoints if you never leave an insular community.
He could pick a hobby he doesn’t enjoy, but that would defeat the point of a hobby...
i spend all week dicking around with my fellow pedants solving fiddly problems. I don’t want to play board games or factorio all weekend because i want to have a weekend that feels like not-work.
Alternative worldviews are refreshing and rejuvinating.
I dont even care about the hive mind aspect, its the relentless tedium of 'rationality' that thrives amongst the type, its just not human to try to be "right" all the time.