He wrote this paper, "Cooperation is All You Need", with a group of people:
https://arxiv.org/pdf/2305.10449
And this paper in an IEEE journal:
https://arxiv.org/pdf/2305.10449
And this paper in an IEEE journal:
The author is clearly a crackpot. Maybe he wasn't a crackpot when he still managed to publish in peer-reviewed journals, but cognitive decline over time is not exactly unheard of.