He may be a fool but lots of folks see some truth in it. After all the gop voters apparently werent impressed enough to vote in the midterms.
Tucker Carlson is a liar, ignorant, or both. Let's take Tucker Carlson at his word that he hasn't kept any promises, and that is the only conclusion.
Heck, he could just go over to a campaign promise tracker by one of his liberal brethren to find a few more: Washington Post Trump Campaign Tracker Website
They are fools.