not nice but a personi've asked this question myself lately, like wtf philosophy even is, and the part that's been most useful to me has been the epistemics. thankfully ideologists don't reach into that one by definition.
like how do you truly know when something is bullshit? conversely, how do you recognize when you're unable to recognize something? there's some underlying principle to these entirely subjective things - cognitive neuroscience could only study that kind of thing in the 3rd person
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