BTC's price story is based on the idea that a huge portion of people will use it. Berksire A is expensive for an entirely different reason.

The story seems to rapidly shift between "BTC will save Venezuelans from an oppressive government" and "we never said it mattered if people could use BTC for transfers of non-huge amounts of money".

There's many stories on why Bitcoin should have value. Most of them don't make sense. Nevertheless, Bitcoin clearly is valuable, despite being used by few.

Of course people have trouble pricing Bitcoin, but the same is true for many other assets. If literally the only use for Bitcoin would be to speculate on all the cryptocurrencies, that would be enough to make it valuable.

Yes, the role of bitcoin has been gradually changing from "revolutionary" to mundane financial asset class with a novel method of purchasing it.

It's actually moving away from that. It will be just be a settlement layer in 10 years.