As someone that has asked a lot more (quite good) questions on SO, than has given answers, and almost all my SO rep. is based on those questions, I can report that my experience has been that I've been treated somewhat barbarously, by high-score mods. Just the mere fact that I was asking a question, made me "lesser," in their eyes. This could be rather infuriating, because I actually sorta know my stuff. One of the things that I know, is that I don't know a lot of stuff, and appreciate finding out, from folks that do.
For that reason, I learned to bite my tongue, when they sneered, and appreciated the answer, which was often quite good.
I haven't really done much there, in years. I still get upvotes for my questions, years after I wrote them. At some point, people just stopped answering my questions, and I usually ended up posting my solution, when I figured it out on my own.
I feel that Quora has turned into the same thing that LinkedIn Groups have become: A haven for ad-scammers and "SEO" people.
One of the things that happens on both platforms, is that someone asks a specific question, and ignores sincere, legitimate answers, but rewards the "shill" "answers," where a particular product is recommended as the "solution."
I dumped every LI group, after encountering these folks, and I never really warmed to Quora, because, I guess, I came late to the party, after these people had started their games. I realized the platforms were worthless to me.
I won't go, where I'm not wanted.
I can't imagine getting paid for either answers or questions. They both take so much time and brainpower, that I can't believe that the income would be at all worthy of the effort. I think that SO actually did a good job on "gamifying" the Q&A process. I may have issue with the inevitable status games, but I learned to just keep my peace, and appreciate the help.