You can't even hazard a guess as to why a "person of color" supporting the preferred party of "white" racists might be working against their our interests?
Really?
What has Voting for the other party gotten black people in Detroit, Flint, and the south side of Chicago and many others places? What has voting for black people gotten black people on the continent of Africa? What has voting for Latinos in Latin America, gotten Latinos?
Real world observations do not prove that black people are better off when they vote for black people or the party that claims to represent them. On the contrary...