It is a fabulously clever bit of marketing. By offering this bat, Newbery will be talked about, as evidenced by this thread. Because the bats are custom made, they don't have to make any to carry as stock and risk them not selling. If they do sell any, they will make a spectacular profit on each one.
It is a near perfect business model. We are seeing more bat makers offer a similar thing now. Laver, Matrixx, GN with the Legend, Slaz with their 2 high end aussie models etc. All because it is virtually risk free.