The math speaks for itself

Over the last 11 years, bitcoin has gone from being worth less than a penny to being worth more than $9k.

Over the last 50 years, since the USD was taken off the gold standard, the dollar has lost over 90% of its purchasing power.

One has gone up significantly, and one has gone down significantly:

(Source: https://twitter.com/obi/status/1281145849326829570)

Using fiat is fine for transactions but just don't hold it.

If you hold it, you lose.

If you are going to hold something you should hold stocks or bitcoin.