For what it's worth, there's probably a lower personal cost for a leftist to be sincere in a conservative environment than it is for a conservative to be sincere in a liberal environment.
Conservatives are just as likely to de-friend, who doesn't want to live in their own bubble? More to the point, the conservative subreddit on reddit is indistinguishable from the Pyongyang subreddit in its quick-to ban if not ideologically on-point policy.