What you may not see is both parties playing people against one another. They're both completely beholden to special interests. As perhaps the most visible exam

What you may not see is both parties playing people against one another. They're both completely beholden to special interests. As perhaps the most visible example, did you ever wonder why the TPP, which was going to be arguably the single biggest corporate handout in US legislative history, was being spearheaded by Obama? Or why he was going about it in such an absurdly undemocratic fashion? Keeping the people divided is the key to keeping the establishment powers entrenched in office. So long as the people hate the alternative sufficiently, they need not worry about the quality of their own candidate. Clinton won the popular vote, yet I think it's safe to say that most voted for her not because she truly was the type of candidate that people wanted in office -- but because the alternative was considered absolutely unacceptable under any circumstance. And the same is no doubt true of much of Trump's support. I don't think another Ross Perot 1992 is ever likely to happen. If that's before your political period, an independent individual (vastly more eloquent and reasonable, but politically similar to Trump) ended up making a huge run. At one point he was actually ahead in the polls against candidates from both parties. In the general he ran against Bush and Clinton, even then some of the most powerful names in politics. He pulled 19% of the vote - destroying Bush's incumbency and effectively giving the presidency to Clinton. But far from just a spoiler, that's a single outsider independently threatening to 'take over' Washington. The increasingly sensationalized and divisive rhetoric with a focus on identity politics, really began to spike in the elections to come. So long as both side of the political spectrum think those on the other side are completely intolerable, it makes it much easier to control people. You can even get them to do things like vote for people they don't actually want in office -- they just need to be convinced that it's better than the alternative.