Not really. You need allies in this game. Kam & Kayleigh are still a layup team which the other strong teams would rather compete against in a final. This is for a million dollars. Brad & Kyle would screw over their alliance with Zach and Tony in a heartbeat and save Kam & Kayleigh for the final, and vice versa with the other guys.
Getting rid of the rookie teams made Kam & Kayleigh the new layups that people use to make it to the finals.
Yeah, she even said that this was all about solidifying her alliances with the vets