You're conflating demands for capital with an artist's desire to create, and most artists would do the latter regardless of the former. In fact, you even said i

You're conflating demands for capital with an artist's desire to create, and most artists would do the latter regardless of the former. In fact, you even said it yourself - artists who create for capital are forced to produce more shallow art for the masses. Art is a pursuit of the divine, not capital, and pursuing one will come at the expense of the other.