This is the link
“Not only are stripes always timeless, but the horizontal, chest-centered placement of this style makes your torso look a little broader and bigger. Even former teen wolf Lautner, who doesn’t need to rely on styling optical illusions, benefits from the move. Flattering is flattering, whether you’ve got a six pack or not.”
There’s not much to say here other than these people are engaged in mental warfare. First, they try to appeal to people that are self conscious. Second, they appeal to the worse impulses of men. Third, why would you want to appear broader and bigger?
But finally – this is game. Trying to get people to react to something that’s not really tangible.