> If you knew the price would never increase or decrease you would cash out to move to more productive uses of your money.

If the only reason you hold an asset is you think the price will go up, aren't you subscribing to:

* https://en.wikipedia.org/wiki/Greater_fool_theory

As opposed to holding an asset like AAPL (dividends) or AMZN (earnings growth), where in addition price growth I'm getting a share of future revenues/profits? What future revenues/profits am/will I be getting with BTC? (Or gold for that matter: which is why Buffett isn't into it.)

If fiat had the same properties as cryptocurrencies, I'd agree with you. But you have to at least agree (or understand rather) that they are in fact different, for good or bad. So maybe people other than you see value in those differences.

> If and when there’s stagnation there will be no reason to hold crypto over fiat

I would disagree.

Holding Bitcoin and not telling a soul will shield your wealth against quite a few "events" (divorce, bankruptcy, seizure, etc...)

Doing the same with cash involves a shovel, a GPS and very long walks in the wilderness.