The thing is, "market forces" (= large corporations) might "solve" it by relying on the use of cheap energy from fossil fuels for doing online vision processing

The thing is, "market forces" (= large corporations) might "solve" it by relying on the use of cheap energy from fossil fuels for doing online vision processing. And then you've converted one sustainability problem into another. (Which may not be a terrible trade-off, but still.)