Is the South Shore big enough for two Hollywood Easts?

Sam Baltrusis reports that while a Plymouth group is getting all the attention for building a massive movie studio, a development team out of Los Angeles hopes to beat Plymouth to the punch with its own giant studio, at the old Weymouth Naval Air Station:

... [T]he front-lot-set streets of SouthField Studios will be sourced from historic Boston City locales. In fact, the set is a dead ringer for any brownstone-lined street in the South End or Back Bay neighborhoods. It's Beacon Hill ... without the hill. ...