[TGS]

I guess PKFFW's point is that Hawking doesn't claim to have proved that the universe was not created by god, but rather that there is no need to invoke a creator god to explain anything - even when that "anything" includes the existence of the universe itself. In just the same way that explaining how my presents get into my Christmas stocking in terms of the behaviour of known individuals doesn't prove the non-existence of Santa Clause - but does render the Santa Clause story redundant, so explaining the existence of the universe in terms of science as we currently understand it does not prove the non-existence of a creator god, but...