> they know the pain, effort, and time it takes to accumulate wealth so they're loathe to take it from someone else

Or they believe in divine right / hereditary caste system. In fact a long established hereditary caste system was dominate in 1959[0], Thinking that some long standing social construct is simply going to evaporate is a bit naïve.

[0] https://en.wikipedia.org/wiki/Social_class_in_Tibet