Also prevent VM withholding access to it cable network, that gets my vote as i once saw a VM salesmen selling VM On the premise sky can't have access to its cable network.
But if Sky does get split expect VM to go out of business, sky will sell its services at rock bottom prices, VM are an always will be stuck with the huge cost of maintaining a cable network. Satalite distribution per home is a fraction of the cost of cable.
VM really do not want a price war