They more effective because they can sell our Big Mac consumption to our health insurance company? That is purely an assumption, by the way. Maybe someone tried to write a law once to prevent that.
That's funny about it being bad enough, it just makes you want to leave.
And to anyone reading- be careful with the McDonald's spyware, by the way. You might have it for lunch. Then by dinner time, see a little icon on your phone and realize they've been tracking your precise location all day.