I think the main reason people support Trump is they are thinking of the kind of freedoms that had before the Federal Government began intruding in every single aspect of private life.
What Donald Trump has done is launch a full-scale anti-Federalist counter-revolution. Many of his backers reject the idea that the Federal government has any power at the State or local level. They call for the repeal of Constitutional amendments that have increased the power of the Federal government, like the 14th, 16th and 17th. What they ultimately want is to recreate a free world. To paraphrase Michael Moore's documentary, "Dude, Where's My Country?" The Donald Trump answer is "The people you took it from are taking it back."