Stupidity or Evil: Which is More Dangerous? He no longer acts as an individual moral agent. Bonhoeffer warned that once a person has been made stupid in this way, “every attempt to reason with him becomes senseless and dangerous.” Dangerous, because the challenge is no longer to an argument, but to an identity. What makes this form of stupidity especially dangerous is that it cannot recognize itself. This dynamic explains why enforcement of federal law provokes such disproportionate rage.