Maybe a [TRL x] tag too. In the current online discourse climate... The HN community can be a good candidate to collectively, over time and use... develop an

Maybe a [TRL x] tag too. In the current online discourse climate... The HN community can be a good candidate to collectively, over time and use... develop and refine a set of commonly understood tags to communicate context in post titles. If not in title, then maybe in the top / "pinned" comment. If they can spread beyond HN... that would be even better.