The service they provide (from a perspective external to obligatory capitalism) is less about making them, but providing a framework by which people engaged in artistic expression and development get paid and permitted to survive.
As the COVID-19 Lockdown furloughs demonstrated to us, art manifests so long as people are fed and need something to do. Healthy humans can't couch-potato for two weeks without fidgeting and whittling wood into bears. And the great resignation that followed showed that enough people were able to make it lucrative (that is, work out marketing and fulfillment enough to make it profitable enough to quit their prior job) that it lowered worker supply that we were able to contest the shit treatment, low pay and toxic work environments that were normal before the epidemic.
It gets worse in other industries like big pharma in which the state provides vast grants for R&D of drugs and treatments, but the company keeps all the proceeds. Contrast the space program, which is why memory foam (the material) is in the public domain, as is a fuckton of electronics and computer technologies.