Exactly! So whether the admirer is guy or a gal, they are simply pawns. Their role is to represent the average schmuck as compared to a supersized bodybuilder whose physique is likely exaggerated because of their use of ABS.
Perhaps some people are not really that desperate for a picture with them. I would not discard the possibility that, sometimes, some bodybuilders force a situation to get photographed just for the ego factor. Just like with Instagram, it is likely there is some kind of internal battle among them measured by the amount of pictures they get with random people.
Or perhaps not...