because they're not just lessons from the past, they're sacred ways of life. They're serious commitments, not something to be scavenged according to your own interests.

Exemplified by the fact that someone who uses Buddhism as some sort of glorified productivity tool hasn't learned anything from Buddhism but does exactly what Buddhism tries to eliminate, namely desire and the self.

The entire mechanistic thinking of treating culture like some kind of junkyard that can be scrapped for parts is itself a product of a sort of spiritually dead worldview.