That's not entirely true. Workers set their own salaries, subject to the review of their colleagues. If you think you are awesome, you can give yourself a heft

That's not entirely true. Workers set their own salaries, subject to the review of their colleagues. If you think you are awesome, you can give yourself a hefty raise. If your co-workers don't agree though, in a few months you'll be out on the street. I think it makes sense to share profits equally, since the whole point is that the result was achieved collectively. Salaries can be all over the map.