I don't know who Robert Sapolsky is, I admit my ignorance, but you shouldn't believe people just because they are people. You should believe peer reviewed studies instead, regardless of who writes them.
Just saying. Claiming that Robert Sapolsky himself (whoever that is) is more correct than the post you are replying to, without providing citations to (peer reviewed and accepted) studies is nonsensical.
Put yourself in my shoes: Do I believe some Internet commenter without further evidence, or do I believe Robert Sapolsky?