The whole point of being a cat is that you don't have to endure mundane human rituals like exercising and sitting in a sauna with fat, naked men. And the trade-off is that cats don't get to enjoy the finer things in our lives, like bacon.
Cats get peace and simplicity. We get bacon. This is the way the world works.
So unless you want to start eating Fancy Feast, I suggest you stop making him run the treadmill and play the keyboard. Fair is fair.