Because when all is said and done, what they're willing to pay as individuals is all that actually matters. One person will think immediate gratification is worth several thousand dollars, another will realize that ADM is a pocket liner that doesn't actually improve the car in any way shape or...
And this is exactly why the saying 'if you want anything done right, you do it yourself' exists.
Sorry for your troubles on this one OP.. I'd have hit the roof.
Certainly a trick piece... but saying it's 15 lbs lighter than an equivalent wheel is a bit of a stretch, unless you're calling an economy rim an equivalent.
I'm guessing that they'll say that the 350R is more refined and a better overall package, even if the performance numbers are close.
That you basically can't get a Z-28 as a 2016 model is likely going to be a factor as well.