They're afraid of change.
Americans. Alternatives: What's the only thing Americans and the French agree on? The English. What's the only thing the English and Americans agree on? The French.
None, Mexicans do it for them.
You can't tell it's in the dark
We'll get on it next week
No IT guys change light bulbs, they just keep flicking the switch on and off again until something happens.
None. They aren't about to change a bulb when flipping a switch has worked for 15 years.