I remember InLeo reps talking about implementing stake weighted polling a while ago. Not sure where they are on that though!
I hope the various teams are talking.
Not super likely, I'd guess. There are a lot of little silos in Hive... natural human behaviour. I'd be happy to be proven very wrong though. And I am aware of several collab efforts, I just doubt it's the norm.
RE: Open Polls Protocol - Initial Version