Exactly what I am thinking. But maybe they shouldn't be banned altogether. Look at @wang he is helping new users that are introducing themself. Maybe his message could be polished a bit but it's not bad for a start.

Also in general I think it is a nice thing that users are using the platform and creating new stuff on it. I mean that is what it is meant to be for. It should evolve and grow. And users building things for it should help in this process :)