I think network effects and hesitation to change (lack of understation, reputation, fear) plays a role. Can't recall who said it, but essentially a new product must be at least 10x better than existing solutions.
I would assume this is easier to asses in physical day-to-day things (e.g. car over horse, oil over coal etc.) but more difficult with abstract technologies such as money, software.
That's why imo true innovation (which is >10x better) has a hockey stick moment but can have a slow phase of adoption before.
I suppose that, in the case of #bitcoin or also #Nostr, the value is not yet recognized/understood by most, and as such it's not seend as exceeding the 10x threshold yet.
Just a thought.