By Tancredi Cordero di Montezemolo Why do smart people ever so often follow the crowd into disaster? It's our oldest shortcut: conformity saved our ancestors, but today it fuels bubbles, polarization, and fake consensus. Going along with whatever the crowd thinks feels safer. It's ingrained in our chimp brains from way back—millions of years of sticking close to the herd. Being alone meant you were lunch for something bigger, or you couldn't take down prey on your own, later