People can't generalize on what's better asset for whole individual to have since people have different preferences on what investment they like to take.

Since maybe have different expertise since there talent on investment on those asset has been shaped up by their environment that's why they are good to make their profit grow on some assets they choose to invest on that option you give. Some may good handling their fiat to put it up on good businesses and other investments. Some may also good on hoarding golds then have patience to wait for long and same goes with bitcoin where everything goes good at long years past so its just how people choose what path they want to take since there knowledge can determine on what they like and what target they want to be in future.