Below a sign that says "LOCAL ART GALLERY" and "ART IS RESISTANCE™", a cubist character is placing a sign that has the following text on it: "SUPPORT LOCAL ARTISTS $500".
Meanwhile, another cubist character, an annoying looking man in a suit, is telling "PLEASE GO AWAY, YOU ARE RUINING THE AESTHETIC" to another character.
Down in the corner, the character being talked to is drawn using curves and regular lines, they look homeless and depressed, and are holding a sign that reads "WILL DRAW FOR FOOD"
My interpretation combined with my observations of the world is as follows.:
Bourgeoisie art scene is a sanitized/toned down version of proletarian art, which could be called more "raw" or "real". Fancy artists act as sort of explorers of raw art and pre-digest it so the (diluted) message can still somewhat reach those who wouldn't have looked at that real art.
They make more money simply because they come from this social class. They get "inspired" by poor artists and copy their style, making more money out of it.
Are they artists? Yeah... Are they true innovators? No way!