Many prominent conservative thinkers are not particularly big fans of Trump. They like portions of his initiatives and policies but not him as a standard bearer, because he does dumb, ill-principled stuff at odds with conservatism.
Peggy Noonan of the WSJ can't write two sentences without letting you know how much she disdains Trump, e.g.
This is the functional equivalent of a fictional character named Neggy Poonan saying "I really hate the Nazi's, but you know if I don't vote for Hitler the other guy will win"