Maybe because the fruits of those few well-intentioned founders labours aren't blasted on the news 24/7 like SBF was, doesn't mean they don't exist?
I've seen people in parts of South America where the banking system can be completely unusable, using their phone to send and receive crypto payments cheaply and reliably, enabling them to safely transact with family. I've heard of this also happening in Africa.
Others, workers from Mexico for example, working in the US, are able to remit their small incomes back home for pennies instead of a 15% western union bite out of it.
It does have functions and utility that does work, and they are the same functions envisioned by the OG's.