You folks seem to miss the fact that Trump has not yet broken a simple majority of support from Republicans. Most prospective voters not only do not support him, most prospective voters view him very, very negatively. Republicans do not make up a majority in this country, not even close to it, and Trump has not yet won even t he reluctant support of half of what is considerably less than 40% of the public.
His actual support is likely about 20% of the electorate as a whole. In the primaries, that can result in a very strong victory. In a general election, not so much,