He&#x27;s not targeting engineers. He&#x27;s targeting yuppies, fraternity punks, late-night bar hoppers, Yelp-adoring foodies, crowds of drunk people in baseball caps with money to burn standing in line for hipster restaurants and nightclubs, shouting and pissing in the streets at 2am.  That&#x27;s the crowd that invades your city like a plague when it becomes a trendy destination.