This is a great idea. It's time-bound, so the maintainer doesn't feel set-upon, since they can change the hours whenever. It's also a (reasonably) guaranteed op

This is a great idea. It's time-bound, so the maintainer doesn't feel set-upon, since they can change the hours whenever. It's also a (reasonably) guaranteed opportunity to talk directly to the maintainer of something you care about, if you're on the other side. I love this.