It is a valid question, and the many, many answers to it are worth reading.
In short: he's made it very clear that he's a racist who doesn't like that there are non-white people living in London, doesn't like Roma, and seems to have a problem with non-white people in general.
Disliking most of the world is a good way to get most of the world to dislike you.
In short: he's made it very clear that he's a racist who doesn't like that there are non-white people living in London, doesn't like Roma, and seems to have a problem with non-white people in general.
Disliking most of the world is a good way to get most of the world to dislike you.