Well, in reality there wouldn't be one optimal product, there would be many, for the reason that you said -and for human reasons. However they would still be a

Well, in reality there wouldn't be one optimal product, there would be many, for the reason that you said -and for human reasons. However they would still be able to borrow good bits from each other and gain insight on how things could be done differently, so arguably the end result would be a win. From a technical standpoint that is -I think where it gets messy is when we try to factor in the business implications.