The main reason we are not afraid to do this today is because we usually get a refund if there is an issue. This is subsidized with the profits the credit card companies make from that 16%+ APY they charge people with revolving debt.
Credit card companies do all sorts of silly advertisements and cards get hacked all the time...
We can go in circles on these comparisons all day long. We have a choice... either keep the status quo, or try to work towards a future where we don't have to give up our privacy and information in order to just buy something on the internet so that we can have ads follow us around.
Whether cryptocurrencies are that solution, is irrelevant... the part where people are working on these sorts of things at all, is what I care about. I personally, would rather be able to provide liquidity and take out a loan without having to ask permission first.
That's your opinion. Integration tests on another planet are just as hard as integration tests across a crypto bridge. One can even argue that an integration test on another planet is more difficult.
This thread linked elsewhere here is par for the course -- so many things done right in the code, but one important thing done wrong: https://twitter.com/samczsun/status/1578185275062132736