I sometimes hear that someone doesn’t want to post an idea because they feel like they would have to write a whole post, and it would need to be long, complex, and fully fleshed out.
I think short and simple Forum posts are fine — in fact, it’s often better for a post to be significantly shorter. (You could also consider making it a Quick take.)
I have considered just writing such a caveat list as a shortform and linking to it like that, although part of me would like for it to be somewhat easily and widely (within the community) understandable at a few words, similar to saying “Epistemic status: speculative.” (Then again, I think that in many cases my communicative discomfort has been unjustified/irrational, so it the main value of such a disclaimer could be setting my mind at ease and providing a CYA in the slight chance it becomes relevant. In such case simply linking to such a shortform would probably be fine.)