>>No better. There is banning happening on all those sites. It think it is a regular occurance. Some sites use "monitors", people have proven their reliabilty and can monitor a section of the site and "red flag" unwelcomed posters and bring it to the attention of the webmaster who make the final decision. But most of them do not have a chatter section, in order to eliminate some of the "noise" you get here. But some of that noise is sometimes a "welcome' change to the technical aspect of the subjects. Although the interesting element here at UT a good portion of the call for banning is caused in some ways by MVP (so you mentionned) , and your site seems to attract a good bunch of them, more than others anyways. Corrolation between MVPs and banning maybe.
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>This is the sad part. Is it because some benefit from their high profile in regards to that and try to go a little further to the borderline of the Terms & Conditions of this site and, sometimes, go over it. It proves one thing however. No matter the status of one person, we are all human beings and the rules of a site, such as this one, applies to all.

May I suggest something Michel. I have never read the Terms & Conditions of your site (although I understand the concept of these T&C on most sites). But if you "forced" the new member to read them at sign up, and agree to them from the get-go, at least you would be satisfied that at least you presented it to them. Although in the current predicement I would suggest that the member(s) involved were well aware of the T&C.