Do the bombs dropping in war zones avoid apolitical people? If not, when is the appropriate time to get sufficiently political to avoid having a bomb dropped on one's head?
"Keeping your head down" means not doing anything that would cause a government (especially your own) to want to disappear you.
If you vocally oppose your tyrannical government, you won't avoid a bomb on your head. In the best case you'll get a bullet through your head. Worst case, you spend a lifetime in a prison.
Very few individuals can influence whether or not bombs drop. The best way to avoid having bombs dropped on your head is moving to a place where fewer bombs are dropped.
If you vocally oppose your tyrannical government, you won't avoid a bomb on your head. In the best case you'll get a bullet through your head. Worst case, you spend a lifetime in a prison.