It's not about being able to verify, it's about the amount of effort to verify. I.e. people are lazy.
Mass propaganda discovered that its audience was ready at all times to believe the worst, no matter how absurd, and did not particularly object to being deceived
This is quite ironic seeing how you've posted something that qualifies as "the worst" without any verifiable evidence.
If you don't want to follow other people's suggestions on how to communicate your information better, that's fine. But insulting people who are just offering friendly suggestions (and explanations) is not ok.
Despite what you have seem to believe, I actually agree with your post's general thesis. It doesn't really matter to me whether you believe that though.