[krackers]

>key was added and will presumably stay forever

Nope, it will be removed after 1 year. There is a chance they delay it depending on how much the enterprises complain, but so long as all their big clients are migrated I doubt they care about the long-tail.

[londons_explore]

There's a good chance that whoever is driving this change within Google gets promoted/retires in less than a year, and then it gets left in limbo forever like so many other TODO():'s in the code...