I would say it's very important to be publicly explicit about it, to help with the expectations of people outside the project. If some of these things then don'

I would say it's very important to be publicly explicit about it, to help with the expectations of people outside the project. If some of these things then don't make it into 2021, or 2021 is delayed a bit, that wonderful paragraph can be pointed to as part of the explanation. Plus of course it gives people on the project more confidence in saying "I have to have my evenings to recharge, I can't crunch this feature to hit the deadline". Which is what we should all be able to say.