Dams bust, nuclear blows up. It's rare but it happens. Their worst case scenarios are worse than a park of batteries burning down on a gravel/concrete park?
Your interpretation seems to be "we don't use caution when building them" which is not what I meant at all, we do but the risk is non-zero.
Your interpretation seems to be "we don't use caution when building them" which is not what I meant at all, we do but the risk is non-zero.