It's mostly not employees or better. They are not stupid. They are scared. Scared by bank and bank is scared by regulators who issues huge fines for any "wrong doing" which by very wide definition of EU regulations can be basically anything. I had a chance to see a EU bank training for AML. Let's say I'm surprised there is any business going on... EU the leader in regulations 😍
Those are US/Canadian correspondent banks that freeze the payments, and charge ridiculous fees for their service to press a button. I was a head of international payments and documentary business at a global bank some 15 years ago. I know this kitchen very well...