I don't think art is propaganda it should be something that liberates the soul provokes the imagination and encourages people to go further. It celebrates humanity instead of manipulating it.
Anger if not restrained is frequently more hurtful to us than the injury that provokes it.
But you know my dad called me the laziest white kid he ever met. When I screamed back at him that he was putting down a race of people to call me lazy his answer was that's not what he was doing and that I was also the dumbest white kid he ever met.