Like the Pope need a bulletproof glass on his car? Doesn't he trust god that he will divinely intervene to catch the bullet if he's so important?
As / / Here is a couple of such sites for you to have a look
If they come to a poiut then the charge/field is concentrated - causes a higher point charge with a higher probability of starting the arc - lighting strikes up and then we see the counter (larger0 stroke come down.
