because the majority of people paying most of the sales tax are poor people buying rich people's products who get a cut on their income. you get double fucked by paying more and them getting more. it's transferring the wealth of a large group of consumers to a single entity with the hope that the capitalist doesn't outsource the work he needs to china or india which is not the case whatsoever since they do do that. trickle down economics requires investment in the us but since there's nothing to force people to do that they'll just invest in foreign markets while sucking up american working people's money.
Portugal