1) Both were made for a good cause and with good intent.
2) Both got out of control, and disaster ensued.
3) Both released highly toxic materials.
4) Both caused negative consequences lasting for decades.
5) Both show an astonishing lack of proper internal controls.
6) Both show clear lack of communication, inept damage limitation, and a massive dose of wishful thinking.
7) Both caused serious consequences for generations of innocent people.