Rockstar programmers are not the problem, inexperienced, insecure middle-managers who feel threatened by the fact that they have no idea what the rockstar programmers are talking about half the time are.
Why don't you see your argument through to its most logical conclusion and say "only hire people who depend on you for their worker's visa?"
Why don't you see your argument through to its most logical conclusion and say "only hire people who depend on you for their worker's visa?"