They're useful occasionally - at least, when working on one's own projects. Certainly, as an indie filmmaker, there are times when temporarily doubling my outpu

They're useful occasionally - at least, when working on one's own projects. Certainly, as an indie filmmaker, there are times when temporarily doubling my output is vital, usually in the run-up to a launch (like now). If you're doing them over any great duration or with any frequency, though, I'd agree that's a very bad sign indeed.