The "argument as sport" mode doesn't seem terribly factionalized, at least not in the sense of arguments as soldiers.
Within this form of heterotopic discourse, one can play devil’s advocate, have one’s tongue in one’s cheek, purposefully overstate one’s case, or attack positions that one agrees with.
A blog post by Alistair Roberts, as curated by Steve Sailer. (Steve's version is shorter and more targeted; the original blog post is the fourth in a series on triggering and suffers for its reliance on the particular issue.)
It seems like a very useful dichotomy, and strongly reminds me of Ask and Guess.