When confronted with information streaming from the eyes, the brain will interpret this information in the quickest and most efficient way possible. Time is energy. The longer the brain spends performing some calculation, the more energy it consumes. Considering the brain runs on about 40 watts of power (a lightbulb!), it doesn't have a lot of energy to spare.

A person can have the greatest idea in the world - completely different and novel - but if that person can't convince enough other people, it doesn't matter.

Because humans, in effect, created dogs through domestication, the canine mind reflects back to us how we see ourselves through the eyes, ears, and noses of another species.

When confronted with information streaming from the eyes, the brain will interpret this information in the quickest and most efficient way possible. Time is energy. The longer the brain spends performing some calculation, the more energy it consumes. Considering the brain runs on about 40 watts of power (a lightbulb!), it doesn't have a lot of energy to spare.

There is, of course, great value in belonging to a group. Safety in numbers, for one. But there is also a mathematical explanation for why the brain is so willing to give up its own opinions: a group of people is more likely to be correct about something than an individual.