This is a pretty big FAIL.
Not only does the Constitution NOT base presidential eligibility on where a person was “made”, even the most clueless subset of the clueless might look at “Made in the USA” and wonder why is *doesn’t* say “BORN in the USA”.
You know what jingles (or popular songs) can do... it’s that earworm thing, lol.
If I were him, I’d stay away from this issue.
People who know it’s crap will pick it up and run with it, people who believe this crap will be unmoved, people who weren’t paying attention to this crap just might start wondering and researching.
It’s lose/lose, for him.