Making games harder to get to is not going to help attendance. Chicagoland all flows to the middle. Metra, the L, the highways... all roads lead to the city. Take that away and you're 1) forcing people to drive and pay ridiculous amounts of parking no matter what and 2) pissing off a lot of the fanbase.
If they want to build a fanbase you slice prices in half, trim the hell out of that payroll and make the Sox the lean, cheap "Let's go to a ballgame and not go broke" option. Were in an awful division that doesn't spend money, especially when Ilitch dies.