The unrespectful rush from 20450. In a plane, the toilet should never be closed for an hour before landing. This is not a train from which everyone runs on the rails. Everything is hermetic on the plane. You can go there while waiting for an invitation. could have. If someone like you did not deliberately block the passage.
And as for the luggage shelf, I have never encountered a situation that someone did not have enough space there. In the extreme case, call the stewardess, and she will find a place for you, even if not above your head. Although not, then you will not be able to get your luggage in the first 20 seconds after landing. Because again your friends have already blocked the passages.