Every like to an AI-generated work is (literally!) one more data point in support of record labels dropping human artists for AI artists that will do what they want, perform where they want, and give all of their profits back to the label.

Movie studios are "signing" AI artists from AI studios for massive dollars; this is happening.

Maybe you don't care, but music is beautiful and difficult, and I really enjoy hearing works from people that have a passion for it.

You don't have to worry, though; most people are in your school of thought. "Who cares? It's good." Short-term thinking is best-term thinking.