Granted, New England, and Massachusetts in particular, has much to be ashamed of with respect to its politicians, but that is only a regional issue. A stadium name is a lot closer to home. Heinz = loser. It's as simple as that.
Name connection only, she sold her stock in the H.J. Heinz company a while ago. She no longer has affiliation to the company which the stadium is named for. She's just as connected to Steve Heinz of the Vancouver Canucks.