Black Lives Matter is just the name for a political movement and organization aligned with Critical Social Justice and specifically Critical Race Theory which actually dispenses with the idea of meritocracy as a worthwhile goal (see postmeritocracy.org for an explanation of this view; the author of that site is Coraline Ada Ehmke, author of the Contributor Covenant, which has been adopted by many projects including Golang)
The diversity you're talking about uses the definition everyone is familiar with from English.
The diversity Black Lives Matter is talking about is a technical term with the definition coming from Critical Race Theory, which defines whites as the least diverse categorically due to historically injustices against BIPOC folx.
> The idea of focusing diversity isn't at odds with focusing on competence
It is explicitly such, as stated by the movement you defend.
The diversity you're talking about uses the definition everyone is familiar with from English.
The diversity Black Lives Matter is talking about is a technical term with the definition coming from Critical Race Theory, which defines whites as the least diverse categorically due to historically injustices against BIPOC folx.
> The idea of focusing diversity isn't at odds with focusing on competence
It is explicitly such, as stated by the movement you defend.