Probably more than half. Having access to the Internet means nothing if all one can or wants to do is digesting social media nonsense on a phone: it doesn't improve at all his/her culture while still makes the user subject to manipulation.
I have some chemtrails believers among my friends. They're wonderful people in other contexts, but they tend to believe just about every conspiracy theory they're fed through that human stupidity collector called Facebook, and their vote counts as 1 just like mine. I remember them before the social media era, and they were better persons; one of them was (albeit mildly) interested in programming, now he trains weekly at the range because "we're being invaded by immigrants, you have to be prepared".
Nope, that ain't Texas, it's Italy.