If someone is receiving a shock from the bolts on a light pole they would have already been shocked by contacting the pole itself. Only an improperly grounded fixture could cause this situation. Generally this would not happen. Yes there are exceptions to the rule, but they are that, rare exceptions. This being said, I too do not feel that the LPC is the best cache hiding spot there is, but it sure is popular especially down in North Carolina as well as other high cache density areas.
Glad I know people that know stuff!
If you want to try cross country skiing, start with a small country