To play Devil's Advocate though - confirmation bias is a funny thing, and self-diagnosis is too.
Not saying you or OP are wrong, and I believe the non-neurotypical thing, but these topics are ones where nearly everyone who says they are on the spectrum appear to be 100% vehemently sure they are, but not 100% of those people are correct.
^ this. People without a sense of smell still know that the smell of feaces is not enjoyable, just by observing and learning from other people's experiences.