I’m assuming they think that rich people spend more so they pay more. This is a fallacy, because poor people spend a higher portion of their income (over a 100% a lot of the time).

It's funny, because sales tax is considered among the most regressive form of taxation we employ from my understanding, which is supported by my econ friends. But I'm certainly not an economist.

"The law, in its majestic equality, forbids the rich and poor alike to sleep under bridges, to beg in the streets, and to steal bread." -Anatole France