Grayjay also doesn't send analytics data back to YouTube, so watching the sponsor or skipping it look identical to YouTube's servers. One can't make the argument that you are supporting creators by watching their sponsors if the sponsors have no way to know that the sponsor part of the video was watched.
Heaven forbid someone put hue on x axis and saturation on y axis and have a separate slider for value and allow you to manually input and allows you to save your favourites in a color picker they made.