Ironically, Germans will still be screwed if one of French...

Ironically, Germans will still be screwed if one of French plants blows up (or Polish, or Swiss, not to mention Ukraine and Russia not too far away).

A bit like introducing carbon tax unilaterally.

What is Angela going to do next - ask France really nicely to shut down 70% of their power generation capacity and one of their biggest sources of export income?

You have to look at German political situation to understand why Germans act in an uncharacteristically stupid way.