And if he doesn't have it all, he'll have to create it all and understand what and how. Many people are very conservative, especially the older generation, and it will be easier for them to wait 2-3 days and get their money safely in the office than to go into all these wallets, transactions, and all kinds of exchangers.
I agree, it is difficult for the elders to learn new things, especially technology-related issues.
It takes a lot of time and effort for a new person to receive bitcoin and convert it into cash. Many people will accept to wait a little more time instead of learning about bitcoin.