If I were an alien invader, with superior technology, and I was trying to exterminate an indigenous species without getting my hands dirty (or from far away), I might plant something similar to the current LLM/AI + military robots craze.

The first (Chinese) company that reverse engineers and markets it to the US could win big…

Yeah that’s not true. Semiautomatic assault rifles are very common in the US, more available by far than full auto.