This is a pretty dumb idea. This article is from researchers at a University. Has anyone done this for real without a grant subsidy? I understand the interest

This is a pretty dumb idea. This article is from researchers at a University. Has anyone done this for real without a grant subsidy? I understand the interest in maximizing space utilization, but this just doesn’t make any sense. Some replies indicate field setups for solar should take priority and tractor/equipment systems should adapt to these new systems. Crazy stuff.