The people on wikitech-l (in particular, the developers and shell users on wikitech-l) are exactly the ones who decide things like this. wikitech-l is *meant* to discuss development issues like software defaults, and Wikimedia administration issues like site configuration policy. So I'm not sure what you're saying here.
I think we're talking about a different "this". Developers decide what features to implement and how to implement them, but they don't decide who to give each permission to. One site might want only a select few to be able to use oversight, another might give it to all admins and yet another might want to let any admin oversight something but only a select few un-oversight it again - all of those options should be supported by the software, so discussion about which one is best is completely off-topic for this list.