You didn't answer the question: So the rich should be treated unfairly for making more money?
Assuming you have a job and pay rent/mortgage, have cable TV, buy groceries, have a car payment, take trips, etc., what would you do if you received a pay cut? That's right, you would cut spending.
Having said that, though I'm not arguing for or against tax cuts in this discussion, I will say that we are taxed too much already. We are taxed too much because the government can't handle money worth a shit. With the countless taxes we pay on various things and introducing new taxes all the time on whatever, the inevitable happened: we pay taxes on money that was already taxed.