On the topic of min-maxers in roleplaying games:
There are, however, some fictional characters which are min-maxers - like Daredevil.
Player: Oh, I’m blind (-6) but I have radar sense (+4)! So I can see better than any normal man!
GM: You asshole. Just for that, your ex-girlfriend is a psychotic ninja who wants to kill you.
Player: KEWL! Is she hot?
GM: Sigh....