Fair enough. But there also seems to be a decent follow up of people agreeing, which is a stronger case. I'm not suggesting to believe it's a magic bullet or completely true, but there seems to be at least a bit of truth (which seems to be: completely depends on the person).

edit: It's also not a "willingness to buck convention", because you can ultimately just start using soap again. There's really nothing to be lost by trying it, imho.