10 years ago there was a big craze in all of my younger coworkers (20-30 crowd). They were reading and tuning into self help youtubes about reducing physical possessions and the freedom which that imparted. They were giving away possessions which they simply didn't feel the need to hold. IDK if that is still a thing.
I do think someone influenced by only keeping items with significant sentimental value would hold very little desire to purchase an item that expensive and then have to figure out how to protect it.
It also seems that education has moved away from humanities to STEM. That can change how a mind values the world. History has less value to a mind concerned with concrete logical constructs. Having been raised with video games and computers, an NFT might make more sense to them is all I can come up with.