Simple answer? Economies perform better when money changes hands more frequently. Disincentivizing that is generally a bad idea. Additionally, taxes like that d

Simple answer? Economies perform better when money changes hands more frequently. Disincentivizing that is generally a bad idea. Additionally, taxes like that disproportionately affect the poor, who often have to spend their income as soon as they get it, and barely affects the rich, who have lots of money sitting around not being spent.