When was the last time a friggin' tag irritated your skin?
Yeah, Hanes is hardly the only men's clothing manufacturer to stop using tags and go to printing right on the article of apparel. But just what do you suppose is cheaper, printing the info on the material, or purchasing additional material, cutting it to size, then print the necessary info and sew it into place? You betcher ass it's cheaper the "new" way.
My daddy had a saying that most certainly applies here:
Don't piss on me and tell me it's raining