No, but when it is within the community, chances of being flagged are less as people here appreciate it, whereas when it reaches an external location a lot more people see it, people who may not be so nice...etc
As for banning, that's not really going to work, if anything we need to rework the way user-uploads forum works.. not really sure how at this point though... I'll talk to Jacob about it some later this week, see if we can come up with something.