Paul Ehrlich. One child. Wikipedia says he says he's also had a vasectomy. Does that lend credence to his views? Or are you arguing that any sort of hypocrisy

Paul Ehrlich. One child. Wikipedia says he says he's also had a vasectomy. Does that lend credence to his views? Or are you arguing that any sort of hypocrisy is enough to reject a point? When an anti-smoking luminary like Wayne McLaren - one of the "Marlboro Man" who died of died of smoking-related diseases - tells you that smoking is unhealthy, does his history of smoking make him a hypocrite, so you can ignore his advice?