Ah well, a thunderbolt dock is like $300 anyways, vs. $30 for a good USB3 hub. I think USB will beat out thunderbolt.
All the hyperbole in here is silly. Try not paying your phone bill and you will discover there is already a "kill switch." The questions at issue are administrative - how to share the list of stolen phones between carriers, set the criteria for putting a phone on the list, etc.