So? The survey is older than the present. The comments I've seen online and in person show that people actually do support it, which will only increase once higher paychecks arrive.
Are you? I don’t think the popularity of the tax cut is terribly relevant, although its unpopularity makes this cock-up worse. You felt it was worth correcting, but you can’t back it up with anything more than anecdotes or guesswork. So what’s the point of arguing?