Yes, we obviously have different definition of security, as you imagine at being ‘outside the traditional banks’, not ‘guaranteed to be at your disposal and accepted by the rest of the world’.
Bitcoin is just one crypto, which is still being developed, and if you think CrowdStrike is an argument against thousands of banks versus one git repo, I have a bridge to sell to you.
It gets really exhausting talking to people with minimum technical knowledge at best about this stuff. 51% attacks have been done in the past, acting like it’s not possible is just plain stupid.
PoW is a huge energy black hole with nothing to show for it.
Bitcoin by itself has done very little for the general public, its biggest achievement was spawning other coins, which was the idea from the start. BTC should have died a decade ago.
Crypto is and should remain a niche past time for some techical folk, once big money goes in, it will kill the retail (non-business) users. Big players will make (or already made) PoW and PoS irrelevant for basic users. At least stop them from killing the planet.