As I intimated elsewhere (I think to @boris?)
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I don’t think “How To” is a big problem. If people post Qs you can just move them. Personally, I prefer
HowToas a tag which provides a list when clicked. -
I use “Tips & Tricks” in another Discourse forum which seems to work fine. People do post Qs there but I just move them.
To get the message across semi-officially, when I see a post that might make a good Tips post (which might be a reply), I contact the author and suggest they write a Tips & Tricks article based on the original. Understand that a reply is going to contain “context” from the OP which would make it awkward to move.