If it was my lake i would ask to see at least 1 rig on their rods. Alot of the time its people with all the gear that dont have a clue. When i was younger i used to think, look at all his posh gear he must be good. But now i realise i dont matter what gear you have got, if you cant put a rig on the end correctly all that posh gear is no good to you. I would also imagine that most of those rigs are from instant carpers. If they took the time to start fishing with a float rod instead of jumping in at the deep end they might learn more from their fishing.