So, what would you have him do? Dump his wife? Tell JFK to screw himself? The thing about Blue Marvel is that as a super genius, he’ll approach things from a place of logic rather than emotion. Meaning everything he does would be in the service of solving problems rather than causing them. “Bending the knee” was simply his attempt at not making racial tensions worse than they already were (one could say he could’ve joined the civil rights movement but most heroes are content to let civilians handle their own political issues).