I was thinking along those lines. No reason given for the number, pretty much pulled it out of thin air. When I was growing up we were told we would have too m

I was thinking along those lines. No reason given for the number, pretty much pulled it out of thin air. When I was growing up we were told we would have too much population and wouldn't be able to feed ourselves. Now obesity seems like a bigger problem. Obviously infinite growth isn't possible, but where the actual number lies, I honestly have no idea.