This tactic is especially effective when considering a hotly contested political topic where nearly half the country is in favor of one side, while the other ha

This tactic is especially effective when considering a hotly contested political topic where nearly half the country is in favor of one side, while the other half takes the opposite stance. Two reasonable people can look at all the evidence available and come to completely opposite conclusions. If you have a clear bias for one side or the other before weighing the evidence; then you might come away with the conclusion that people who believe the opposite must be crazy.