They aren't allowed since there's no human in Polandball. Or else, how could they know how's a human made?
Secondly, reddit doesn't use even its own "rules" as it should. In fact, they ban every city which isn't a city-state but they use Omsk.
Thirdly, the joke of that comic isn't the creepy face. It's that that's Jesus.
Fourtly, if you think that such comic should be restored, contact the "overwriter" and/or an admin. Or else, just upload a new file (1)<ac_metadata title="Human faces or bodies in Polandball"> </ac_metadata>