Is there a price list somewhere? Bear in mind Louis has an incentive here, as this Apple program directly competes with his business.

TL;DR His is skeptical. For example he needs to replace just the keyboard (not the whole topcase) to make the repair economical. He needs to replace LCD panel only instead of the whole screen assembly. It may be still beneficial to be able to buy genuine Apple parts but there is high probability that those parts would just be too expensive. And let's see if Apple will at least release tools and instructions to program those recently-introduced chips and make it possible to re-use a genuine screen from another iPhone without disabling faceID or having to desolder and re-solder that tiny BGA chip...