of the pie. Once upon a time, no workers could make it on their own, attempts to do so resulted in at best penury, more often than not, severe injury, including a large case of dead. That's why unions were created in the first place, so we couldn't be intimidated on an individual basis.
Once those brave an desperate people gained political reprsentation and enacted legislation, unions weren't really needed anymore. THis was a bit of downer for the boys at the top, so they invented a new reason for themselves. And what was that? To make sure the majority got more of the pie, and by definition, that majority always included those least valuable to the organisation...