There is a large body of modern scientific literature demonstrating that lightning rods really do work, and nothing works better (alternatives usually offer inferior, but much more expensive protection). Current testing shows that the best protection is given by blunted, standard rods, not sharpened rods. Three links for accurate lightning safety answers are:
A response to a pseudo-scientific claim against lightning rods:
http://216.239.37.100/search?q=cache:fLJzsk11JY0J:www.powerquality.com/ar/power_case_conventional_lightning/+Federal+Interagency+Lightning+Protection+User+Group&hl=en&ie=UTF-8
A moderated forum for engineers, laypeople, medical doctors, power quality professionals to exchange scientifically correct information:
http://groups.yahoo.com/group/LightningProtection
A certifying organization for lightning protection professionals and safety officials:
http://www.LightningSafety.com