I don't think it's as complicated as you make it out to be. It's just adding to the "Do not disturb" option that's been there for ages. You can still use that i

I don't think it's as complicated as you make it out to be. It's just adding to the "Do not disturb" option that's been there for ages. You can still use that indiscriminate DND option and ignore the rest. But some of us do want certain messages to breach while we're working.