I really don't think that follows. All you can tell from this is that politicians think it will benefit them, possibly (but far from guaranteed) because voters

I really don't think that follows. All you can tell from this is that politicians think it will benefit them, possibly (but far from guaranteed) because voters think it will benefit the region. (FWIW I think it will benefit both regions, although I don't like the race-to-the-bottom competition and special treatment that led to it.)