I don't think they would spin off Porsche. It is a very profitable part of the VW group. That is mostly due to the so-called sporty SUVs, a.k.a., "Suburban Useless Vehicles" sales. Badge snobs love them here in the San Francisco bay area.
Herr Ferdinand Porsche spins in his grave every time one of these heavy beasts roll off the production line with his name on it. :undecided: He designed light weight sport cars with low weight to H.P. cars that are fun to drive. Having said that, Porsche SUVs do pay the bills to enable Porsche to still build great true sport cars.