The notion that the corporations are going to use their windfalls for productive expansion and higher wages for workers is utter fantasy.
They have not done so for over twenty years, and they are hardly urged to change that, and certainly not by anything in this latest change in tax policy. Its purpose is to put more money in the pockets of the powerful and fortunate, pure and simple.
Increased taxes on consumption and consumables, including imports and sales taxes, are generally regressive taxes, falling most heavily as a percentage of income on the broader public.
The promises of great growth, investment, and trickle down prosperity are the same old canards and misdirection, put forward by the moneyed interests' flim flam men and their carnies.
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