I don't think there was ever really such a tension in terms of making money from art, but rather how. The idea of "selling out" was that, say, selling the right

I don't think there was ever really such a tension in terms of making money from art, but rather how. The idea of "selling out" was that, say, selling the rights to your songs to advertisers was viewed as crass. That I agree has pretty much evaporated -- nobody calls musicians who allow their songs to be used in ads "sellouts" anymore.