It kills me a little to see them say overdoing it, there are so many factors at play and intensity of workout is only one variable. No mention of diet, sleep or

It kills me a little to see them say overdoing it, there are so many factors at play and intensity of workout is only one variable. No mention of diet, sleep or programming... I think the author touches on a fair point, people want to push themselves harder than they should, but it's not going to kill you and your body is going to put a stop to it whether you like it or not. Seems to me author is just generally naive about fitness.