Originally Posted by
rossmacd
Although, there will be some one here will say that it will delay the full aircraft, since the ground staff will be trying to find the person that is apparently airside. I would do it, however

but I don't travel in longhaul Y.
If a passenger can get
reported to the police and blacklisted from BA for a "Shame on you, BA" call after 8 hours of exasperation, I shudder to think what they would do to this "disappearing person" who went airside and...disappeared.
I imagine that they would source the security camera footage from the gate where the BP was presented to see what happened. And when they do...there could be two candidates for being blacklisted!