The shift toward digital distribution and, eventually, toward a $NFLX like streaming model is generally seen as a good thing for videogame publishers, which can expect wider margins, sustainable revenues, and a bigger market. But there’s a possible downside, too, according to new research. If there isn’t enough competition in streaming Piper Jaffaray analyst Michael Olson wrote Monday, publishers could find themselves having to fork over too much money to platform owners.