"Trolling" is something you can do with a rod and reel, probably comes from "trawling." It's anytime you've got a line moving through the water, dragging behind the boat or whatever.
No, I think you'll find the horny handed working class sons (and daughters) of toil were the backbone. The middle classes are perhaps the midbrain. The Medulla Oblongata perhaps. Much more Radio 3.
