“The only thing necessary for the triumph of evil is for good [people] to do nothing.”
It's insane that this is actually the second time in my life that someone has tried to twist and bastardize that quote to try to justify the invasion of Afghanistan. The other was a Trump voter.
"Evil triumphing" is when hundreds of thousands of civilians get murdered. "Doing nothing" is when you refuse to lift a finger oppose the people responsible. What the two of you fail to understand is that you are the evil that triumphs when good people do nothing. And what you do is even worse than nothing, because you actively support them