If the Celtics lose Hayward, the MA lawmakers could always gift the Celtics with one of those computer screens that the fast food places are using for placing orders and replacing employees who demand $15 an hour. 

BTW, folks who earn over a million a year generally have the greatest mobility in terms of choosing where they live. Each time the state loses one of those taxpayers, the state has lost the revenues they were getting in the hopes of fooling the millionaire into not noticing. 

They notice. And they move.