Isn't the "Single Responsible Individual" practice fairly common at Apple? That is, maybe one person "responsible" for some specific class, app, or system, in a

Isn't the "Single Responsible Individual" practice fairly common at Apple? That is, maybe one person "responsible" for some specific class, app, or system, in addition to day to day work? I've read about the maintainers of things like NSOperation or the iOS Simulator, which always shocked me, given the complexity of those systems. If that's the case, it's completely unsurprising to me that Apple may have a software quality issue.