Q: How many Canadians does it take to change a lightbulb
None, the room is already lit.
Does it really have to be a lightbulb
It doesn't matter, they will never change a thing.
A: Just one but he wants to do it thirty-two times and when he's done everyone thinks that his last lightbulb was much better.
Just two. One to politely ask and the other to politely help.
Ask them to get out of the pool.