They won't be illegals. They'll be people currently residing in another country getting green cards to work on American farms.
Mmmmmm... I wouldn’t have any trouble with that so long as that is precisely what it is and is not going to be abused by the government to allow the rest of the world to squat in my country.
I don’t trust my government to not abuse and corrupt otherwise good systems for its schemes. Some bad people in government ;/