This is very long and I'm only halfway through but having read enough Patrick Mackenzie, I'm confident this is the best "debanking" explainer out there, should you want to really understand what's going on.
Debanking (and Debunking?)
Crypto advocates kicked off a recent, somewhat politicized, discussion of debanking. Strap in for scintillating banking compliance trivia.
bitsaboutmoney.com