OK, so what's the cited source, let's check... there's just the one for that term... oh, an article in the New York Times used that description, OK.
So now we know what you consider an acceptable source for an outlet's bias-- a newspaper using that description! Hmm, but the
NYT, Washington Post, and Washington Examiner all variously describe the Tax Foundation as "conservative", "business friendly", or "right-leaning"!
I've already pointed out how two of the arguments were complete bunk. You then said there were better ones there... but refused to identify any.