Back in the day when the RAF chopper brought the match ball the MC used to say this, after last post a minutes silence, it’s never going to happen with 31k fans in a ground, (it never did then either) the last post has already been on for over a minute with the majority quiet, it’s not at the cenotaph or a village memorial.
I think that’s the best you’ll get from a football ground.
Still folk leaving before final whistle, bizarre lot.