It won’t sink in because it isn’t true. Cruz had the cajones to stand up to the powers-that-be in D.C. and has done so consistently. Look to Rubio if you’re looking for a wimp who cowtows so his establishment masters.
Trump is using the media to subliminally label his adversary. It’s a tactic that will easily work on the LIV, and is a lot less costly than paid advertising.