[P] I want to further my case here that the reason NT hiverarchy turns to parasitism is due to impaired imagination that can't conceive of mutualism (which requires original thinking).
Aurism: https://www.sciencedirect.com/science/article/pii/S1750946723002088
ADHD: https://pmc.ncbi.nlm.nih.gov/articles/PMC7543022/
These are just two atudies, but not much research is done on this. Still, the evidence that does exist seems to support my belief, and its the reason why ND is resistant to Dark Triad developments, unlike NTs.