Banks don't close a customer account like that , where have you see this ? "Suspicious" is not enough to decide to close the account of anyone LOL....
There are banking laws and customers rights. It's not the cow boy period where banks talk and you just shut up and obey
That's correct, bank wouldn't do any such thing were the customers didn't do any violation to their rules of course bank have protocol and standard operation procedure that need to be follows before they terminate their clients. it is too impossible that bank will do that without any violation or because if they terminate without any reason their client have the right to file a complaint case.
Try to even imagine going to court, to fight against some big bank LOL that would be senseless, the money they have cannot make them lose this war.
But its true, banks are not some weird websites or exchanges where you hold the money, they simply cannot delete your account without any really important reason because they just dont have such a rights.
Only in specific situations or when some incidents will occur that may justify such an action they can freeze your bank account, but not terminate it.