You're being absurd. It's picking fruit, not working in a sweatshop. People from other countries want to do it. Who are you to tell them that they can't?
As long as the immigrant workers have the same rights and working standards as any other worker, what is the problem exactly?
The strife caused by importing a large population of people who have nothing in common with the existing population is NOT worth cheap fruits.
Fuck off with this nativist bullshit. I am a proud citizen of London, one of the most diverse cities in the world. I love that every time I take a train I can hear someone speaking a different language. I am willing to burn this HN account to say: Fuck your ideology.
My grandparents came to Britain to escape such persecution, people who also talked about the "strife" caused by their existence. I do not come to HN to hear the same thing repeated back to me.