This is true - and it's exactly the same with Brexit too - but if were a non-racist about to put my tick in the Trump/Brexit box I would pause and think "Hmmm, I am aligning myself with all the racists and xenophobes and loads of other unpleasant people, is that really what I want to do?"
You have almost certainly not heard of the famous Brexiter MP Mark Francois
@Clinamenic, and if that is the case I'm sorry to spoil that state of blissful ignorance, but you need to know to understand the vignette I'm about to describe; basically Francois is... well, first and foremost he is an absolute fucking idiot who used to be in the territorial army but who pretends that he is some kind of decorated war hero. He is one of the most rabid brexiteers and he can always be relied on to supply some moronically stupid comment about how great Britain is and how Brexit is certain to be a success cos every single person on this island (apart from traitorous lily-livered milquetoast remoaners obviously) is an honest and true British bulldog who won two world wars and a world cup dammit and if those dirty smelly foreigners from across the channel try and play hardball in the negotiations we'll simply give them a taste of British spunk and they'll rollover and give up in seconds just like they did in the war when he personally commanded the British forces that marched into Berlin and captured Hitler and spanked his snail-eating bottom. I really can't stress enough that even among brexiters he stands out as an astonishingly thick bastard. The guy is such a cunt that... well you get the picture. He probably cries himself to sleep cos he's got a French name and tries to pick a fight with the French part of himself - that's assuming he's noticed of course.
Anyway, there was this thing with Will Self and Mark Francois on some tv show and Self happened to mention that all racists voted Brexit with the result that Francois got really annoyed and said that Self is calling him a racist. Self then went on to explain several times in several different ways the concept that in logic I would call a converse error (or affirming the consequent) ie that the statement A implies B is not the same as the statement B implies A - and how that in this specific instance saying all racists voted for Brexit is not the same as saying that all Brexiters are racist and basically Francois is completely incapable of understanding - it's hilarious and excruciating in equal measure.
Sometimes when people say that someone is not capable of understanding something it is hyperbole or just an insult but in this case it is literally and factually true, Francois is totally incapable of grasping this very simple concept. It's frightening to realise that this guy who is an MP and an important figure in the Leave movement cannot follow the most basic concept in logic even if it is explained to him in the simplest possible terms. It just shouldn't be possible for someone so dumb to be in any kind of position of authority. When you realise that there are enough people to vote for this man then the mess that the country is in starts to make just a little more sense.