Of course its technically illegal, but reality could be harsh.
Aren't Silicon Valley programmers in the top 1% for total household income?
People on HN give me the impression that graduates with no experience get paid six figures and it's considered poverty level.
If you think anything in this thread is implying salaried tech workers are trying to pass themselves off as poor I probably can't communicate with you on any level. I apologize for whatever rhetoric I used.
And I'm not anti-union, any group has the right to organize for any purpose in free societies. Even libertarians like Ron Paul are pro-union.
Top performers may be concerned about having their wings clipped. Hollywood is a good counter-example. But American auto unions, for example, created the precedent of a rush to mediocrity. (The politics of many American union organisers may also gives someone earning a top Silicon Valley wage pause.)