Yeah, I've had the opposite experience in my 20+ years of customer service work. Most of the times I've been screamed at by an entitled customer, they've been upper-middle class.
So it should be easy for you to link it. That is, if it does prove your point and exists in the first place. Because right now your source is "trust me bro".
If we consider corporations people (and the Supreme Courts says we have to) then we should tax their income. That means total income, not profits because I don't pay taxes on what's left over after my bills, so why should corps get to?
Inverted controls are just better.