How much of this is directly or indirectly subsidized by USA taxpayers? If the inevitable compression of wages results in food stamps and other subsidies to other workers then it is crony capitalism.
The 4 current worthless leaders in Congress should not have ultimate control over negotiatons.
I can’t answer your question because I don’t have survey data or wide personal experience.
In my area, it kind of works. The summer workers just aren’t there, so they’d have to come from somewhere. Could a domestic summer relocate-and-lodge program fill the bill? Maybe... but it would take time to spin up.
A nation of 330 million do not need to import ANY new workers for any reason what so ever.