There are a few services you van but online that accept crypto. Like hosting provider Vultr. Other things do accept bitcoin like non official student money transfer services.

But all of this is not as wide spread. I did use it a couple of time for actually transferring money, and also buying a software plus support.

Of of our clients (fashion) did setup Etherum payments for some physical products and their NFTs and actually got sales.

One does not need to be the best at his job to be a billionaire. He must be good in sales, first. The low quality production can also explain why he may became a billionaire, as he is making huge savings on costs.