@peg the initial consent thing is definately something we shouldnt overlook. Just a shame that it will introduce and second round of waiting to hear back from people - and make using it not feel as quick and easy as it does now. (thats not to say its not important...)
At the very least we should be putting a warning/reminder in the interim saying - make sure you get consent from the shard holders before giving them a responsibility they have not asked for.