I wonder why

Ugh that's so stupid. Just hire writers that fit best for your paper. Regardless of sex/age/gender. If none of the applicants is asian/trans/of colour/whatever then so be it. Not your fault. Wrong approach.

And this is why HuffPo is only one step above BuzzFeed

When will these people understand that by forcing "diversity" they're just discriminating against someone else

That's why people laugh in your face when you say you want balance or fairness or even inclusivity when your version of inclusivity is based on excluding people.