You can try an experiment for yourself. If you have a Reddit account, comment something on one of these subreddits that doesn't toe the party line. Wait less than 24 hours until your comment is removed and you are banned.
They are propaganda from vested interests.
It's not indicative of how people feel in general. It's a very specific, coaxed and managed image.
I am not lying when I say the front page of the Conservative subreddit is run by less than 10 accounts. You can go there now and see that most of the submissions on the front page of the subreddit is split between the same 3-4 users at any given time.
A lot of conservatives in this discussion suddenly seem embarrassed by the side they chose and really want to distance themselves from it.