The best you can do is screenshot their posts and laugh about them with friends. I’m still laughing about the guys caption on a meme that said something like “64% of Ontarians are against Kathleen Wynne( the premier)” He simple wrote “65.” As if he represents an entire percent of the population of Ontario. We’re not that small.
You know what the MP for the Conservative party in his area did ? She posted a full page ad in the newspaper saying Save Canada Post... vote Conservative. They were the ones cutting things like door to door delivery and she still got elected.
From what I’ve gathered people who do ridiculous stuff like this are seeking out a feeling they get from it. Somebody else I know is only Liberal because it’s cool. Closeted gay congressmen are against same sex marriage. I haven’t figured out the flat earth people yet but it seems like they have trust issues. The point is when people have emotional/mental problems it will show in other aspects of their lives. Fixing the cause instead of the symptom is the important part. Nostalgia is what made a lot people vote for Trump, they never believed he would bring back their childhood dreams but it felt good to think about it for a bit.