If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
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I put higher weight on joking than crazy. He might be trying to build up plausible deniability for past/future claims that he really believes in but could get him fired.
I don't think that strategy is likely to succeed. Just look at the criticism that Eliezer got after his April first post.
I think the most charitable reading is that he wants to run an experiment on his audience to see the effect of writing utter crap.