The main issue is, theories about how to run job interviews are developed in collaboration between businesses who need to hire people, theories on how to respond to court questions are developed in collaboration between gang members, etc.. While a business might not be disincentized from letting the non-hired employees better at negotiating, it is incentivized to teach other businesses ways of making their non-hired employees worse at negotiating.
The main issue is, theories about how to run job interviews are developed in collaboration between businesses who need to hire people, theories on how to respond to court questions are developed in collaboration between gang members, etc.. While a business might not be disincentized from letting the non-hired employees better at negotiating, it is incentivized to teach other businesses ways of making their non-hired employees worse at negotiating.