Well exactly, had these single parents bought Bitcoin or Ethereum years ago they wouldn't be struggling now.

One doesn't need to run a node to use the system but it is accessible to everyone, just as the code is there to be scrutinized publicly.

The entire point was to reform currency where economic policy is more predictable and the currency less susceptible to kleptocracy.

Interestingly enough the inflation rate of both Bitcoin and Ethereum is now lower than that of major world currencies. So while volatility still needs to trend lower for day to day usage, the case for a store of value has already been established in the past decade and anyone can see the price history and number of wallets increasing exponentially.