the easiest way for someone to be better on the measure “reactions to X” is not to do X
Yes? Just like the easiest way for someone to avoid criminal convictions is to not do crimes. Not a guarantee but it helps.
Ultimately, any metric does need to be contextualized and interpreted. Supposing metrics can be agreed upon, it’s another big step to cross the is-ought gap, even with a shared moral framework.
I agree with another commenter that the original post is a good candidate for adversarial collaboration.
Somewhat serendipitously, Spencer Greenberg just released a Clearer Thinking podcast episode interviewing Colin DeYoung on this topic just a few days ago. Worth a listen, IMO.
https://podcast.clearerthinking.org/episode/298/colin-deyoung-are-personality-types-a-statistical-mirage/