Following the rule set isn't without its problems, you will get a few very false negatives, but comparatively many false positives (that persist as false positives because power structures haven't yet had need to levy them in their never ending quest for ...uh... power) but if anything you will end up seeming too orthodox for your own good.

Actually, I'd say the "Reason As Memetic Immune Disorder hypothesis has it basically correct - to the extent that one can be "too orthodox," one ultimately has to fall into one or another heterodoxy. Most anybody who strives to take 90% of secular Western ideology seriously, consistently, and literally is going to end up libertarian or communist or transhumanist or the like - and of course (in the society we're discussing) only nerds do this. I think you're right to observe and that most everybody's aware that if one's goal is to get by socially with minimum effort, taking official ideology at face value, like taking religion at face value, is insane, but then of course different people have different goals.