No, pi is not 3.14. 3.14 is just a shorthand for pi because pi pretty much goes on forever. And it's not why they call it pie. I think the mathematicians that came up with it weren't teenagers.
...learn to take a joke...
...learn to take education seriously. On top of that, you should probably also learn to be less cynical. The solution to the world's problems is not to migrate to the moon and leave everything behind to start a new society, that just makes it so it's none of your business any more since you wouldn't live in the same society. Additionally, it will only be a matter of time until similar problems arise in the moon society. On top of that, get a better sense of humour because old jokes are tired and overused and most of the time, bad.