If Trump had come out BEFORE the caucuses were held and asked the other candidates to boycott them because of unfair rules, then he would have a case to make on being for the voters. Since he waited until after he lost do it, he lost all credibility on the issue.
Oh please. Insert eye-rolling emoticon here.
Logical fallacy: Changing the subject. Moving the goalposts. Tu Quoque.
Just because someone missed the chance to correct something that’s wrong doesn’t make it stop being wrong.