No ordinary person can own Bitcoin, they have to go through a long process to determine the decision to invest their money in an asset with high volatility. So ordinary people prefer to cultivate as much fiat as possible and that for them is the easiest way to solve all their needs. However, globally, if averaged out from the total human population on earth, they have at least 0.02 Btc, making them one of the rarest people. That was my spontaneous assumption and could be said to be an example of how to illustrate to ordinary people that they must have Bitcoin in their wallet.