My god, have these new-car dealers ever had the experience of trying to buy a new car from a dealer? It's an extremely complicated thing, ranking up there with doing calculus with stone and chisel. This is one main reason people loved the dealers with fixed prices or with internet sales where they can get a quote without talking to a huckster in person. If NADA thinks the public will be swayed by such a claim then they're seriously out of touch with the public.
Buying my car took more paperwork than buying my home, which is ludicrous given the order of magnitude difference in price. In the end, I bought my condo by faxing back a piece of paper with one signature on it, while on a trip in Europe. Buying my car? I had to sign a dozen different pieces of paper, and it took far longer.