Easier for us (younger generation) to recuperate from a loss. The gold/silver market isn't as volatile as say crypto. I can understand why older people would rather not invest in a risky business. If they are retired then they don't have a stable income which is why gold/silver is a more desireable market to invest on. Also, there is the fact of knowledge. You gotta spend a lot of time learning about crypto before you can just indulge in it
If you are looking on gold or silver chart, you will see its volatile too. But most old people investing on gold and silver because its thousand years trust. Old people only investing in real thing that they can trust and they can touch