I’m not confident that this is ubiquitously true, mostly based on my own experience and that of others like me. Some of us just don’t crave closure. I honestly don’t care what happens at the end of most books or movies, and I rarely remember. Going to funerals doesn’t give me closure or make feel any different than knowing a person has died. Finishing a project is often tedious and I struggle to do so if I don’t finish it when I have momentum and enthusiasm left from working on the fleshing-out phase. I have a beautiful painting sitting in my living room that has been 95% finished for months, and I wish I had finished it when I had momentum because now I’m in such a different mode that I’m afraid I would mess it up if I continued it in the mindset I’m in now. I wouldn’t recommend the “purposefully walk away” approach for people who don’t fit the mold of “needing closure” because it may result in long-term avoidance. I say this as a professional software engineer, too. Different strokes.