cabincadet - are you maybe a crew member who likes the sound of their voice, but doesn't actually say anything relevant? On the aforementioned JFK-LHR the main cabin announcement ex-butlins show host took delight in saying things like, "you are travelling on a 747-400 today with 4 huge, but beautiful engines that will....(whatever the rest was)....Or "We will shortly be serving a deliciously prepared meal of.........so, have a think now of what you'd like..........bla,bla, bla.....
Yes, I think BA is a good airline, BUT its staff definitely make or break a flight and on this occasion Mr Butlins had forgotten he wasn't on stage! Leave us alone to relax and watch the film etc!