It’s not, it’s just that people with extreme views get a lot of attention/coverage. Those people exist, and there’s more than I’d personally like there to be, but they’re still in the minorty (those at the ‘crazy’ level, there is a lot of ‘racist lites’ of course). Just as an Englishman that I am, seeing the US being portayed as chock full of far right Trump worshippers wanting to overthrow democracy. Not least mention, Mexico.