Originally Posted by studentff

Appreciate the sentiment, but actually I'd rather they not swipe anything.

TSA/DHS badly wants to keep dossiers of our domestic travel history for use in data-mining our associates, homes, destinations, etc. (i.e., "secure flight" derivatives) so that they can have even more false positives that harass even more innocent US citizens. There's no reason to make it that easy for them to do so.