magicalsushi
Prince
WHETHER OR NOT HE WAS GOOD OR BAD IN THE END, THERE ARE ALREADY WORSE LEADERS AND HE IS DEFINITLY MORE SIGNIFICANT THAN ANY OF THE MESO-AMERICAN LEADERS, SHAKA, MANSA-MUSA, ISABEL I, BRENNUS (his existance is based on myth)... IT IS A JOKE TO NOT HAVE HIM IN THIS GAME.
Love the all-caps.
I think this post highlights the best gameplay reason for *not* having Hitler in the game: all of those countries have only one leader (as of Warlords, at least), and it'd be a struggle to find additional leaders who offer a genuinely different flavour for most of those countries. Mansa Musa, for example, represents Mali at its peak; there's no obvious choice for a second Malinese leader. On the other hand, Germany already has Frederick and Bismarck, and between them they do a great job of representing Germany at its best. There's no need for a third leader, whereas Firaxis did need to provide at least one leader for the civs mentioned by Menzies. That said, I don't think Hitler was a better leader than any of them in any case. Even with Montezuma, it sounds like he was doing a good job until the Spanish turned up, and he can't really be blamed for that.
[An attempt to pre-empt comments along the lines of "but there are going to be extra leaders for some of those civs in BtS: yep, but I'm not convinced they're needed, except perhaps for Spain. We really don't need a new Celtic leader (she won't even be very different from Brennus!), but Boudica is so popular in modern culture (in the UK, at least) that there's probably a lot of demand to have her as a leader, whether she deserves it or not. In fairness to her (vs Brennus), we do seem to have more definite information about her identity and achievements.]