He just also seems drawn to the more primate-politics-prone topics within Less Wrong
Arguably the primate-politics-prone topics are the most important ones; the tendency that you describe can be read as seriousness of purpose.
he seems further to often express himself in spaghetti-at-the-wall mixtures of true and untrue, and relevant and irrelevant statements that confuse the conversation.
Less Wrong is a community that many of us care about; and it is kind, when one is new to a community and is still learning to express oneself, to tread a little more softly than XiXiDu has been.
Arguably the primate-politics-prone topics are the most important ones; the tendency that you describe can be read as seriousness of purpose.
Agreed.