What's worse is that when they ban you they refuse to talk to you. No explanation, no justification, no appeal. Just an automated reply to look at their ToS and you can never hold a coinbase account again.
Unfortunately this is essentially what anti-money laundering laws require businesses to do. It's illegal to "tip off" a customer of the reasons you flagged them for being under suspicion of money launder/evading sanctions/funding terrorism. https://onlinelibrary.wiley.com/doi/10.1002/9780470685280.ch...
I agree that it's a frustrating / bad experience for customers especially when they get flagged by a false alarm e.g. https://news.bitcoin.com/the-moss-piglet-dilemma-paypal-bans...