Diversity-as-Description vs Diversity-as-Prescription, which Invariably Turns into Diversity-as-Cancer or Diversinoma. Making a Nation More Homogeneous Is Usually Preferable.
There are many meanings to 'diversity'. For one, it can serve as description or prescription. Diversity-as-description(DAD) is about noticing reality with judgement one way or another, e.g. 'Brazil is very diverse' or 'North Africa is more racially diverse than Nigeria, which however has plenty of ethnic or tribal diversity'. Diversity-as-description merely takes into account the diversity in any given society. No nation is purely homogenous as even Japan has minorities(whose numbers are swelling due to global pressure and demographic demise of the native Japanese); and even if Japan were 100% Japanese, there would be diversity in intelligence, height, weight, temperament,