I switched out all the coffee in the office for decaf today.
What made you change the coffee to decafe?
I got inspired by Bill Gates, you know the richest man in the world
You should tell other co-workers about changing the coffee before you do it. Some people expect to have caffeine in the morning before they work.
I think changing things around is good to spice things up.
Things may well get spicy. I sudden lack of caffeine will cause the employees to be short tempered and may even make them feel ill. You should not switch the coffee with no warning.