And for donations to Wikileaks, we don't want the government to be able to reverse or block them. That's what PayPal did with then before Bitcoin was invented.
I don't think that Bitcoin can or should replace the current system, but it can be an addition for rarer cases.
But yes: Most of the other blockchain stuff is just completely useless and therefore not used.
Let's ignore crypto for a second...
People in the USA loose around $10.000.000.000 per year to scams according to FTC...