I think you don't see the logic behind the tax cuts: when you lower the taxes for business, the cost of product goes down. It makes them more competitive with foreign competition. If exports increase, jobs increase and pay gets better because there is some leeway from the lower taxes and increased sales. That is in everybody's interest. Inland products produced in the US would also get less expensive. 

Lowering business taxes is a good strategy to animate the economy.

He didn't want to lower taxes on the wealthy but wanted to increase them. The rest of the GOP protested that taxes on the wealthy can't be increased.