[antisthenes]

> If I grow a few veggies in a green curtain at home in the kitchen window where I am not even there 90% of the daylight time, then no.

Smaller scales make the math worse, not better.

> Also, I am growing radish and salad in the attic right now where there is no extra heating or light so point 2 is also not necessarily true.

I'm assuming the attic is attached to a heated building of some sort? Not sure why you're trying so hard to come up with arguments for this hydroponic stuff.

People are well aware of the advantages and it's mostly going to be used to grow high-value cash crops like spices (saffron?) and cannabis.