The allure is undeniable: A mega-corporation moves to town, bringing with it billions in capital investment and tens of thousands of jobs. Little wonder that the ongoing sweepstakes to win Amazon’s second headquarters has inspired city and state officials to offer record-breaking economic incentive packages in the hopes of attracting the online giant. Chicago has offered $2 billion in tax breaks, including a tax diversion program which would redirect up to 100 percent of potential Amazon employe…