Bitcoin exists to solve the principal-agent problem that comes with delegating control of the money supply to singular institutions. If you look at the history of empires, from the Romans to the Han, it is littered with instances of societal decline as a direct result of inflation and overspending. This unilateral currency debasement is much harder if the collective (and global) definition of money is determined by d…
Millions are involved precisely because of the appeal of get rich fast and ponzi schemes. Tens of thousands are invoved because of its technological promise and appeal which you've described. This imbalance is the main problem crypto industry needs to solve before it truly reaches its potential.
I said millions because of every day crypto usage in countries like Argentina and Turkey, where inflation makes it challenging to save money, and in countries where there are high remittance rates.
More builders are definitely needed to improve the crypto user experience across a range of categories.