There's more to real economic growth than a 1 year change in GDP. Also, tax cuts work a lot better when they last longer than a year.

No "lower income" individual is going to start a brand new business or create a new industry. If you really think the secret to a wealthy technological civilization is more people buying washing machines, go for it. Of course, it better be these washing machines.

And as they used to teach us in school before "new" economics came into vogue, saved money, considered a problem in these papers, is also a major source of investment.

What this pseudo-Keynesian thinking does accomplish is to put, with great fanfare, small amounts of money into the hands of enormous numbers of voters. And that's really what it's about.