'elf n safety for much of it, courtesy for some of it and sales revenue for a bit of it.
Sorry you find the interuptions and instructions so tedious, but you have to remember not everyone is as intelligent as you and many people are actually interested in where they are and whats going on.
SO, whilst it would be quite amusing to let you get on with it and do what you want when you want, it'll only happen when you waive all rights to sue because you've done something stupid and hurt yourself.
Sorry you've had such a bad day, but don't take it out on the crew....