They already "won" in many ways.
PS3 is the single reason Br smashed hddvd, Sony is not just about gaming they are a huge corporation. The Br victory is one of their biggest accomplishments especially with their failure in the previous format war.
PS3 is alot more to them then just a gaming platform, if you cant look as something beyond the games industry you will never understand it.
You need to look at the PS3 as a outlet for much of the Sony corp, not just sce.