He's a professor emeritus, I think he'll be alright. The website also has similar articles, for example "How Human Are We?": https://www.sapiens.org/biology/e

He's a professor emeritus, I think he'll be alright. The website also has similar articles, for example "How Human Are We?": https://www.sapiens.org/biology/evolution-human-identity/ https://www.sapiens.org/biology/evolution-human-identity/