Spymaster
Plastic Paddy
How would they know, particularly if under managerial pressure to sell product?
Most BD's have table service, so they may or may not. The point is, they're not doing anything that loads of other boozers don't.
Pretty much any cricket or rugby club will have a few pitchers lined-up when the gaffer pulls the shutters down, and we've all seen pub landlords serve up several drinks for punters to queue before calling time. It's completely commonplace!