I'm talking about on his side. Trump supporter types are the minority, but they are the most vocal. Moderate republicans are staying home.
True, but it's not just about the president. They vote EVERYTIME for congress, which is arguably more important. Historically blacks and liberals stay home for those elections, which is why the Tea party currently runs congress despite most of the country disagreeing with them on the issues.
He will lose the general. As I said his supporters are a minority in the country.
It's a clear known fact that low voter turnout equals a loss for dems. I'm trying to find a graph I saw before, but i did find this article talking about it for the 2014 elections.
One Reason Why the Democrats Lost So Big in Midterms: Exceptionally Low Voter Turnout
And this is exactly why Rebulicans were so surprised at Obamas landlide victory. According to their polls Obama was losing, but there was unexpected and unprecedented turnout among young/black/liberal voters that rendered their estimates useless.