english: And worse -- not having an easy way to see them, because in visual illusions, we can easily demonstrate the mistakes; in cognitive illusion it's much, much harder to demonstrate the mistakes to people.
non_english: In še slabše - napak ne moremo enostavno opaziti. Pri optičnih iluzijah preprosto prikažemo napake. Pri kognitivnih iluzijah je mnogo težje ljudem prikazati napake.