Branson had to watch the Virgin America brand fold under Alaska Airlines, and wouldn't be too happy with this one right now with such appalling loss of capital requiring cash injections to pay the bills.
Complex diversity issues with Tiger, high internal operational costs are things this company needs to manage ASAP.
Virgin Blue were sailing very close to the wind prior to Ansett's demise - the current iteration is heading the same way without a massive refocus on core business.