Ownership and lifetimes

When a practitioner has mastered solving problems in particular ways with particular tools, it can be almost impossible to unpick how they do things to relearn them another way - particularly because it's psychologically difficult to simply discard knowledge that may no longer be necessary. The more tinkering is required, the more attached one becomes to the thing, because one's expertise has become the work-arounds, rather than solving the nominal problem.

I've had a similar visceral skepticism to (for example) moving away from sysv init, or challenges to "everything's a text" ways of thinking. If you've adjusted your mental model to think that parsing the different output of *ix tools way of describing the same thing is normal and natural and good, a competing model is heresy!

Expertise can be a trap, because sometimes it's misplaced.