We need top conduct electricty! Plus Metal Rods SAVE LIVES! Instead of you house cathing on fire, stick a lighting rod on your roof and you should be safe.
And for those who dont know lememe explain the lightning rod:
A lightning rod is a metal rod with rubber on the bottom. You place it on your roof. Lighting(when it strikes) is attracted to metal and will go for the highest metal possible. The electricty will go down the rod but, rubber is an insaltor. The electricty will hault in the rubber, thus protected you from a potntial fire.