Being turned into Cook No. 2 is not only ineffective. It makes me miserable! Just a few days ago I finally got to write down my thoughts on a somewhat similar matter that I call "managerial bias." Your take on teachability bias confirms a lot what I feel about productivity culture from a different angle.
https://iverydelcampo.medium.com/what-if-i-dont-want-to-succeed-40d445bcf1a2