A joke on one hand, a great inside on the other. It is not just about allegiance seeking but also about beating other groups. And it's not just for fun but for

A joke on one hand, a great inside on the other. It is not just about allegiance seeking but also about beating other groups. And it's not just for fun but for zero-sum resources like budget, "more moral standpoint", natural resources, human resources, votes, views etc. So altogether probably 3 points to consider (reason to do politics - zero-sum resources, challenges to succeed in - other teams try to get a bigger piece of the cake, and ways to achieve success - building alliances).