> Ah, then my second wish will be for everyone to want the common good.

People have very different, often contradictory opinions what the "common good" is.

I would even claim that this question is a special case of the millennia-old philosophical problem of defining what "good" actually means (i.e. defining ethics), which has resulted in myriads of different opinions:

> https://en.wikipedia.org/wiki/Outline_of_ethics