That's a lot of knobs. Knobs are the ultimate general purpose machine. They can make music, or macaroni. Knobs can also make knobs, which accelerates our ability to make knobs. Artificial dexterity running on cheap knobs will one day force us to deal with a world without work. Sounds great too.
Your comment is hilarious, but as I deal with UIs a lot, the sheer complexity of all those knobs kind of astounds me that he can deal with it all, and in real time to make music. Wow. I've loved his music since the late 70's, it's great to hear it again.
When we tried to build touch based mixing/lighting console (large capacitive touch panels were significantly cheaper than loads of physical knobs and motorized faders even ~5 years ago) we found this out very fast and scrapped the whole project.
For synthesizer control, people probably aren't that dependent on using it without looking, but the part of quickly finding what you want to tweak still stands.