Equally some electric vehicle owners have been able to recharge their cars with solar panels, which means their emissions are practically zero (although the emissions involved with actually constructing the solar panels and the cars will mean that no cars are ever totallyclean).
Johnson had a choice to stay with what was already there or make a clean break and go with something totally new in the way Geoff Cooke did with a young Will Carling.
Why there weren't any backups -- even older ones -- that could've been used as a restore point is totally unclear, so we're hoping Microsoft has the stones to come clean for the benefit of an entire industry that wants to understand how to make sure this never happens again.