That is true but unfortunately, he has the title and reputation of scholar so people listen to him. Although why is baffling to me.
John Lennon was a fool but he was singer, so no one should listen to him and I think for the most part, people didn't.
The unfortunate thing is that Paul Ehrlich has been around since the ‘60s saying these things, a Stanford Professor, I’d think the University shares some blame for keeping this hack.