The full target seems to have been the growth in nuclear weapons, U.S.Cold War nuclear and military policy, and the resulting likelihood of large-scale destruction.

If that's true, then her action was for naught. The policy continued and was largely successful. And there was no large-scale destruction. It would strain logic to think the lack of Armageddon is because of any populist protest, even spectacular forms of protest.

It was all because of "The Day After" on television.