Stupid people are almost always stronger.
Think of it as devolution in action.
Perhaps in the short term stupidity, banality do appear to triumph because they aid evil. However, I prefer the theology of the cross philosophy to explain the ultimate outcome:
“... the foolishness of God is wiser than men, and the weakness of God is stronger than men.” I Corinthians 1:25
Jesus’ death on the cross - God’s weakness - enables his people to show His love and forgiveness to the world; which ultimately overcomes its suffering and death.
As Jesus claims:
“In the world you will have tribulation, but be of good cheer, for I have overcome the world.”