Earlier quoted context omitted.
Yes, your problem is that you have a country full of gullible morons who will believe anything if it's framed in a way that jives with their worldview and sense of self-preservation, even if it's mildly misleading to flat-out wrong at best. It's not unreasonable to combat that with moderation, which I don't consider to be "censorship" if done correctly.
"done correctly" = "in accordance with my ideas" If bad ideas are being communicated, then communicate better ones. I understand it's hard, that people can be idiotic and short-sighted, that 140 characters is very limiting, but thinking " only lost because of gullible morons" isn't how (in Trump's case) the Dems will end up winning in 2020. There's a fantastic article about this logic here: https://medium.com/@SeanBl…
I've actually have read the article you point to, and while I don't disagree with it (it makes a lot of good points), it's just an opinion. And it's not even a great one sometimes: just because an opposing view point makes you angry, it doesn't mean you're not wrong to be angry. The opposing view point may actually be bat-shit insane. Sometimes it's hard to determine that sort of thing objectively, but... sometimes it's not.
For some supporting evidence to the contrary, this one: http://fivethirtyeight.com/features/education-not-income-pre... -- that suggests, using per-county voting and education data, that low education and voting for Trump was strongly correlated.
Now the meat of the matter is, as you suggest, "what's the best way to win next time?" And yeah, telling Trump voters that they're idiots (even if/when they are) isn't a particularly great way to win over hearts and minds. But I don't think that's what we're talking about here: we're talking about how/why Trump won in the first place, and if it was a good idea to give him and his supporters a platform to easily spread lies to those who are more susceptible to believing them.