I've seen a few of the more astute commentators mention this, although they still can't help injecting some sneering into it. They say, "Trump seems to be banking on the fact that there are huge numbers of white Americans out there who don't vote. His aim seems to be to 'pander to their anger' [there's the sneering] to bring these groups out en masse." Effectively that he's trying to bypass the 'Hispanic vote' and the 'black vote' to mobilise the biggest demographic group in the US.

Personally I don't think what Trump is doing is that cynical- we've seen how sincere he is at reaching out to both African-American and Hispanic communities, and how passionate individuals in those communities can get about Trump (as everyone does) when they realise he's sincere and that the media has been lying to them. But there is an element of truth to it- Trump is waking up the silent majority. Clinton, meanwhile, is still playing divisive identity politics of the kind which just fosters hate and resentment. This is why it rankles so fucking much when people call Trump 'hateful.' Clinton's entire campaign is built on hate and fear; she should be careful with that, because while that might win her votes the run-on effects it has on society are massively damaging. Not that she probably cares, so long as she ends up in the Oval Office again.