Leftists can exploit this and they are using identity politics, racial politics, whatever is the correct term to do this in sports where the participants as in the NFL, are mostly black. They can do this in basketball too though it might not work effectively in some of those other professional sports.
I doubt if we will see many people from the Dominican Republic taking a knee, this kind of attitude really doesn't exist there.
I think Jesse Lee Peterson was talking yesterday, maybe these players should be protesting out-of-wedlock births and the like in the AA community.