If Google and other companies did this, the employees ought to unionize. Normally I am not in favor of that, but Google et al. were colluding to gain an unfair

If Google and other companies did this, the employees ought to unionize. Normally I am not in favor of that, but Google et al. were colluding to gain an unfair advantage on their side; that invited the same on the labor side. Companies colluding to keep wages low means workers ought to collude to make them higher and counterbalance the companies.