"we know not to do the thing that makes them explode" This is not the core problem. The core problem is that explosion can still happen - even if we "know not to do the thing that makes them explode". It can happen because of a natural disaster, because of war and because of other unpredictable reason. To avoid the possible explosion and consequences altogether it is better to not have them in the first place!
Any technology will have deaths, that's inevitable. Without advocating for one versus the other, we should consider what will be number of deaths/diseases/etc versus costs/climate impact/energy produced over the lifetime of a solution
