So why not just program the aircraft to do what you want, hit "Go", sit back and enjoy a cup of Tea while the aircraft flies you to your destination and lands for you?
That is assuming the correct switch/button selections have been made in the correct sequence. Does that always happen? Like any computer, it will only do EXACTLY what you tell it to do. I believe the most commonly heard phrase on fixed-wing flight decks using the autopilot is, 'What's it doing now?'
