Early synthesizers weren't that versatile either. Bands like Pink Floyd actually got into electronics and tore them apart and hacked them. Early techno and hip-hop artists did similar things and even figured out how to transform a simple record player into a musical instrument by hopping the needle around and scratching records back and forth with tremendous skill.
https://www.youtube.com/watch?v=NnRVmiqm84k
https://www.youtube.com/watch?v=ekgpZag6xyQ
Serious AI artists will start tearing apart open models and changing how they work internally. They'll learn the math and how they work just like a serious photographer could tell you all about film emulsions and developing processes and how film reacts to light.
Art's never about what it does. It's about what it can do.