So just how badly do we need the (illegal) unskilled laborers if something like this exists?
Sure, lettuce will likely cost a bit more (maybe 10% more), but many thousands of people can be sent home - a win for America.
Doesn’t solve everything though...it will take a lot more technology to have robots building homes...so still lots of semi-skilled people needed - ideally guest workers?
There are a lot of pre-fab and modular housing designs that can be pre-fabbed room by room, floor by floor, design by design. A great deal of semi-skilled labor can be eliminated from home building but obviously not all of it.
The thing is as more demands are made on labor wages by artificial (Government.) means the more this stuff will come to market and forever change economic sectors where it isn’t now a concern.