Nah it’s going to be more like those standing seats that some low-cost airlines have been planning for a while. That’s more than enough for you and your headset. The very best workplaces will also provide a small elliptical bike at your feet.
There will be fewer and fewer of us in years to come, but real estate doesn’t grow on trees!
While I generally subscribe to the philosophy of "if you're good at doing something then never do it for free", but my company is welcome to my shit for free.
Next - they will take the resulting "output" physical mess and turn dump it into a methane fuel-generating waste-treatment plant.
If that still doesn't make enough $$$, and your measured productivity metrics are not good enough, don't worry - if you also end-up living in one of the "techbro sponsored corporate feudal city-states" you can always help the company by being turned into "biodiesel":