Not following politics isn't really the same as "not caring" though... just eludes me how anyone can see what's going on over there, and even the bits of his responses that make it into the media in the UK, and not care one way or the other whether he gets in. But that might just be me.
Not offended at all. Every few weeks someone will come in and say "you know what, I reckon he'll win again!" like it's the most earth shattering prediction that's ever been made, when in fact, it's more like saying "I reckon this coin will come up heads on the next toss".
So far as unpopularity, he's historically unpopular with a large portion (the majority) of the country. Unfortunately, this section doesn't vote as reliably as those who (for reasons passing understanding) love him. Not only this, but because of the electoral system in the US, he could quite easily lose the next election by ~10m votes and still win the Presidency.