It's a terrible article, but that doesn't necessarily mean the conclusion is wrong. I would want to see more about what it was based on before dismissing it.
I think weightlifters (me included) are guilty of believing those things that are convenient, or what they want to hear.
Powerlifts: 500/363/573 @ 220 belt only
front squat: 403
dips: bodyweight + 176 x 4
military press: 232