Yeah, why? Because the additional information layer benefits some people? Depending one your type of color-blindness and the choice of colors this might even be

Yeah, why? Because the additional information layer benefits some people? Depending one your type of color-blindness and the choice of colors this might even be an improvement that works for color-blind people. We are not talking about encoding information only in color (= bad idea), we are talking about encoding information that is already present additionally in the color. And if your app has accessability settings (it should) this would be a thing that you could switch on and off.