yeah i'd agree.. at some point, sooner rather tahn later, he'll be judged on what they have acheived... but it's best that they do things thoroughly... shutting down the factory to assess correctly quality concerns etc (we'll remember that they indeed wouldn't even let complete cars leave the factory.. ) .. cos you will always have this grace period where you can legitmately claim to have unearthed problems from the previous management.. but that doesn't last for ever..
but you have to get the problems you come across fixed, and as quickly as possible to move things forward.. .