I think there were talking more about the velocity of money than trickle down. If money is in the market and it sits, there is no taxation on it (yet). If they

I think there were talking more about the velocity of money than trickle down. If money is in the market and it sits, there is no taxation on it (yet). If they buy a car, that money pays people and parts and taxes are paid. They spend what is left to other people who also pay taxes, etc. So money can be taxed multiple times as it powers the economy instead of sitting in an asset that is deferred.