As far as I know, banning is not a legitimate threat merely for system rules infractions. It's possible someone threatened to have that done, but banning is for server rules infractions. Of course, if you choose to mark yourself as a trespasser by buying a ship, then you bear the risk of falling victim to the legitimate enforcement of system rules by the offended parties, which may include hunting you down and dissecting your ship. If this gives you excitement, then enjoy the chase that is sure …