"Perhaps instead of reiterating that W10M is a dead end, Microsoft could show what follows? It clearly doesn't feel ready to do that just yet. "
1)Non disparagement clauses in contracts are enforceable, and pretty much are mandatory when you're trying to sell a partner on sinking their own treasure into your platform.
2)After Elop's excellent job crushing Nokia's potential, the Osborne Maneuver is front of mind. This is where you tell your customer that he would be stupid to buy your product becquse it's obsolete, while standing in a warehouse full of said obsolete product that you desperately need to sell.