It's a morale problem. Anyone at the high end will see the numbers and say "Well, I'm worth it." No win, no loss. Anyone at the low end will see the numbers

It's a morale problem. Anyone at the high end will see the numbers and say "Well, I'm worth it." No win, no loss. Anyone at the low end will see the numbers and be really angry about being underpaid. Negative impact. On net: not worth it.