[tomp]

Exactly, it’s equivalent to saying “meritocracy”, except that it uses words approved by the far-left in place of a word disapproved by them.

[jakelazaroff]

Insofar as many people's definition of meritocracy seems to preclude any consideration of someone's race, sex, gender, sexual orientation, etc, they're not equivalent.

Bias can't be addressed by ignoring attributes you suspect to be affected by it. In the new wording Mozilla explicitly commits to address bias, which is important.