Ever hear of a concept known as "competition"?
Duh!!! Maybe after awhile but there would be huge proit taking at first. No corporate weenie would pass up the chance to take his bonus based on the initial profit gain made at the outset.
Of course the super-capitalist will say, "He's the CEO. He is in charge or the company. It's because of him that the company makes money."
While normally true, in this case, due to the huge jump in profit when the tax changes, the CEO will have had nothing to do with it. Yet, he/she will still take his cut off the top.
As far as actual competition, unless one makes the first move, no one will follow.