I liked that model a lot, but it made me a bit sad too.

All my life I was bad at being a loser, somehow I never really felt I fit in. I thought this was because of psychopathic tendencies or something. However, after reading this I realized there was another option and I was just clueless.

Give the Melting Asphalt blog a try, it's a solid resource on those two tiers.

Suggested starter essay: https://meltingasphalt.com/personality-the-body-in-society/

I've always been a clued-in loser because I lack the sociopathy to get promoted :(