Given they came into an ADHD sub and started berating people I would guess personality, possibly borderline. I’m here after checking their profile after they flipped out at someone for simply asking what Lemmy client they used lmao.
The estimated population of natives in the 1500s when the portuguese arrived was 2 million (according to IBGE), it was 302k by 1998 (also according to IBGE), and that's AFTER decades of recovery efforts.