As others said, penalties do not drop off the license. If you have already been Silenced, the next penalty will be a Suspension of at least a week. No matter how mild the offense. It is very much a black and white thing - if the reported text breaks the rules then they have to give the next penalty up. They can skip to a HIGHER penalty for really really bad stuff, but not a lower one than the penalty ladder allows.
Oh, and on MVPs, there are a few types - Community MVPs that function within the specific game community, and Tech/Customer Support MVPs. There are also a few odd others for specialized positions like API development or Addon making.
This pinned post on the WoW General forum is for Community MVPs, but it applies to the TS/CS program for the most part as well. Scroll down to the explanation of MVPs there.