You're not wrong in that asking people to vote for bad and not quite so bad over and over has left people disillusioned. They've not voted for something completely different to shake up the status quo though, both the UK and the US have voted for something that looked different but that is merely a charade hiding a far worse, unfettered version of the same system that has fecked them over for decades.
You don't genuinely believe that May, Johnson, Davies etc are genuinely interested in helping the common man and finding the best deal to improve his prosperity do you? They'll do as they please without any restraint from Europe, allow big business to feck over those who are lucky enough to have a job, screw down the welfare system to the point where those without are living even closer to breaking point and shaft the NHS in favour of private medical insurance. As for Trump, beyond lining his own pockets and screwing over anyone who has ever slighted him do you really believe he is about to do anything to benefit the underemployed blue collar workers who voted him into power?