End-user here, a consumer. NOT A VENDOR. Logging in today, I discovered my account had been frozen. 
Apparently I violated their policies:
This counts as a new and ugly problem...
Apparently I violated their policies:- Taking part in activity treated as illegal across most countries. That covers child abuse, and selling or offering banned goods and services (drugs, firearms, forged documents), etc.
This counts as a new and ugly problem...