That's why I participate on r/spacex. I am free to post my KSP understanding of spaceflight and be corrected by real rocket scientists. Makes me feel smart _and_ learn, while spreading a minimum of disinformation. And most of the time, I learn things that I would not have even known to ask about.
I don't know why this was downvoted, you are correct.
I'm sure that I've posted some wrong things, but not disinformation. Nobody who is ever going to do anything with the information on that sub will ever rely on info posted there. The worst I've seen is some pseudo-news organization actually quoting a Reddit post on r/spacex without attribution. People who actually build rockets don't learn their craft from Reddit.