Those are real use cases.

However the adoption is severely lacking.

The problem is that it has gotten worse not better. There has not been a good use case for a Joe NormalCitizen for crypto in a while.

Anecdata: I first mined BTC in 2011 and used BTC quite a bit in 2013 to buy bunch of online and offline services. It was relatively painless since I had my own BTC. (Also it was really pseudo-anonymous since I was only using mining rewards and didn't reuse addresses).

Since I do not own any significant crypto anymore there is no use case for me anymore.

If I want do something shady, I'd have the problem of onramp KYC etc.

If I want to do something legal, crypto costs including onramp is less convenient/costs more than normal SEPA/CC etc.