Why is the Lightning Protection industry so infested with idiots? It seems like too many have failed Grade 9 Science, let alone Physics 101. Some quite simply don't have any common sense. Many can't spell or type. It all leaves me shaking my head in disgust. Much of what they promote is pseudo-science, the 'holistic-medicine' of electrics, pure bull-crap. First there was that 'w_tom' lunatic cruising the newsgroups with his 'Whole House Protection' (sic) systems, and now the snake-oil-du-jour is the 'Lightning Prevention' (sic) industry.
Crikey. S-C-I-E-N-C-E folks - try it sometime.
Wiki has some good info: http://en.wikipedia.org/wiki/Lightning_rod