Bitcoin's value prop is a store of wealth and it's an entryway (through exchanges) to far more interesting coins.
Crypto is also a stock market 2.0, where bitcoin is an index fund.
Crypto is also a stock market 2.0, where bitcoin is an index fund.
BTC is many things and it causes confusion amongst people trying to determine where the value comes from. It took me many years to figure this out, unfortunately.