Big chunk of the article gone explaining how the diversity policies have failed, but I don't see any explanation on how they would have helped the site or the c

Big chunk of the article gone explaining how the diversity policies have failed, but I don't see any explanation on how they would have helped the site or the community. What if the company is failing because instead of focusing on hiring competent people (of which they have a severe lack, at least in the engineering side) they focused on having a diverse team?