In the U.S. I expect my Representative to act in the interest of what will get them re-elected.
I am not too familiar with the ins-and-outs of Germany's politcal system though it appears to be a popular position.
https://www.dw.com/en/merkel-shuts-down-seven-nuclear-reacto...
https://en.wikipedia.org/wiki/Angela_Merkel#Chancellor_of_Ge...