I admit I am someone who appreciates art for its own sake, but after years spent eroding the post-WW2 edge in science and manufacturing, creative endeavors are part of what sustains us materially as well as the intangible ways.
You need a bunch of artists for one Breaking Bad, the same way you need many startups for one Facebook or many scientists for one Einstein.
But my point still stands: How many of these artists got art degrees? Rihanna didn't, Kanye dropped out early, Billie Eilish and Taylor Swift didn't go to college. Michael Jackson didn't go to college. They do have support staff and some of them may have gone to art school, but there are plenty more folks with art degrees who are struggling.
There are better ways to support the arts than to fund arts degrees. UBI is one example.
If you want to make something artistically creative for people to watch, listen to, or read, you are competing with Mozart, the Beatles, Edgar Allen Poe, Tolkien, and countless other prodigies. Artistic creations made by individuals are a winner-takes-all market where a small fraction of the creators enjoy the majority of the revenue. Artistic creations made by large groups are somewhat fairer (but still often on the low end) in their compensation, if you manage to out compete other job applicants and get the job.
Regardless of whether you as an individual treat art as a commodity, you have to square your viewpoint as a artist with the fact that you have to put bread on the table. Society will very likely reward you very poorly for your artistic contributions.
You've chosen the arts which require massive organisation and expense. What about painters, singer-songwriters, writers, poets, etc.?
Actually organizing events requires an entirely different skill set- while having an appreciation for the arts absolutely can help pull off a successful event, it is by no means a requirement.
I'm unreasonably picky and I can never find find enough books / games / tv shows / etc that I actually like. They exist for sure, but I burn through them too quickly, and then I'm left without anything to read/play/watch for a while.
So if we could have ten times as many TV shows to pick from, that would be great as far as I'm concerned. Whether the economics exist to support that is another question of course, and likely the more relevant one.
maybe it's a bit los in translation for me, but I wouldn't consider those things really art. For profit gigantic corporations don't produce art. I would say that most art is inherently not able to be a mass-product and therefore every city etc. needs its own art-scene.
Most have a theatre nearby too.
The mass arts that the masses can afford to consume (TV, streaming music, and movies) are by definition based on popularity, so we can only have so many artists.
I don't know why we fund so many people's arts degrees. We need less funding for arts degrees, and more funding for the arts instead. Someone being able to live a basic (but self-sufficient) life has nothing to do with funding arts degrees.