You can't create wealth out of thin air. The government can't make people un-broke without someone else paying for it. Either you're losing money to taxes or some of your customer base is losing to taxes. Either way, no benefit (unless your company targets the poor in particular).
Ok, that's fair, there are several mechanisms (increased resource extraction, new tech, etc.) that can create wealth. However, taking money from one group and giving it to another does not create wealth. There is also an administrative overhead associated with such mechanisms, which could have been put towards more productive activities.