He's not the President now and I see this as an implied criticism of the current regime. Something is up. Picking this time to kill or concoct a story that you killed Osama may be part of the larger effort to dislodge military regimes and replace them with popular Islamist governments. This whole thing stinks.
There is now Islamic group in Pakistan which is remotely powerful enough to challenge the Pakistani military in armed strength or popularity. The military perpetuated this myth that the nukes would land in Taliban hand while feeding other terrorist groups.
Musharraf wouldn’t have opened his mouth without the consent of the military.