I have a motorized sit/stand desk from uplift, an aeron chair, a monitor arm, the Microsoft 4000 ergonomic keyboard, and an anker standing mouse. Before this setup I would run into a lot of RSI problems but this combination has fixed everything.
I think the reason that you believe that is because of the "loud" ones who have made their crypto money are almost omnipresent. I missed the boat, but I know of quite a few people who are crypto-rich yet do not bring it up all the time and live the same life they did before.