They have to comply with governmental policies and restrictions.

If it's cancelled it's because it has been deemed high-risk.  PayPal does the same thing except they limit your account and make you wait 6 months to withdraw your funds.

They didn't cheat you at all.  They are an MSB and they're doing their best to prevent any financial wrong-doings.

Whether or not you were doing anything malicious, they will never know.  Their risk dept. decided that for them.