[gruseom]

Much as I like Peopleware, it isn't credible as research. The studies were never published, and the authors made stuff up, as one of them told me himself (I'll see if I can dig up the link where I wrote about it.)

Edit: https://news.ycombinator.com/item?id=1995716. It sounds mean and accusatory to say on an internet message board that they made stuff up. But actually, our brief exchange was charming. He said it with a twinkle in his eye.