Exactly! If we all find a few places on Reddit or other sites like that where we can submit some links we could do really well with the attention we could get. Absolutely about the hard sell era. If we don't push it, people won't get pushed away.
There's one writing community called r/writingprompts, or something to that effect. I think it would be a good place to post a link to your Sunday world-building prompts. There seems to be a good amount of people who check that community out and chat under posts.