Are Tom Cruise and his people trying to erase Katie Holmes' pre-Tom Cruise identity?

Katie Holmes appeared several times over the years on the David Letterman show. I wanted to try and find out how and whether life with Tom Cruise changed her in any way. My research was supposed to be comparison-based: Katie Holmes on Letterman before Tom Cruise, and Katie Holmes today. Except the footage of old Katie Holmes is blocked from embedding. And so, a conspiracy theory bloomed (thephilosopher)