Culture changes take time. Like seasons. No way can anyone say McD has changed the culture yet. He may have started to put his foundation in place but he isn't even close to changing anything yet. If this was a building he'd still be digging for the footers. Culture changes start at the top and work their way down to the janitor mopping the floor. It takes time to change culture. Combine that with a business where you need to win now and it's hard to predict the outcome so I will wait and see