Not every employee in role X is as good as every other employee in role X. The better ones deserve higher pay, which creates an incentive for the others to up their game so that they, too, can earn more.
Why try harder if it's run like romper room?
Why try harder if it's run like romper room?
If I sell 100 product x and you sell 10 product x in the same day we are not doing equal work.