Right. Most cancelled projects are beautifully architected and discount tons of installed products with all their decades of cruft.

Then you start trying to bring the New Thing(r) into the Real World(tm) and there are 5000 edge cases the original project dealt with in a 42-page if/else block for 270 different OEM patches that were sold by some JV team in another building who have never written a line of code in their lives.