I have no data to back this up but I'd say the majority of projects I've worked on during my career my time would have been better spent working on things that

I have no data to back this up but I'd say the majority of projects I've worked on during my career my time would have been better spent working on things that made the development teams more efficient. That is to say, with rare exception, I don't think the software actually generated anywhere near the benefit it cost to develop and maintain.