I'm assuming by 'retro' he means we didn't see a bunch of tedious senate scenes. Instead they just blew the senate up before we ever saw it.
Seriously though, making a Star Wars movie is a "damned if you, damned if you don't" scenario. No matter what you do, there are going to be people who hate it. Disney and Abrams just took the route that would please the most people (and generate the most revenue). I can't really fault them for that.
"Regardless of the legal speed limit, your Buick must be operated at speeds faster than 85 MPH (140kph)." -- 1987 Buick Grand National owners manual.