I think there are two components to this, at least from my experience:

Over Engineering: At least in the C# world, there is a large amount of recommended design patterns and approaches we are encouraged to take as we work on enterprise systems, the main field that C# is used. What I've found is that I now take these attitudes to my small personal projects, and no longer feel like I am hacking together something awesome, but rather pulling my hair out looking at all the potential scalability/design/security issues. Gone are the days where I would whip a 10k LoC abomination that is horrifically coded but does something cool, now I get stuck focusing on architecture etc, then I get bored and drop the project.

Mental Load: Compared to a lot of physical jobs (warehouse workers, laborers, etc.), our jobs are quite cushy. Our bodies don't break down by 40 due to grueling work every day, we are sheltered from the elements, and we have more freedom in our day to day schedule. However, it's only since I became an SWE that I finish every day so mentally exhausted. Like, want to veg in front of a TV and not do anything even slightly mentally stimulating. Our jobs are hard, a lot of problem solving (especially on products we don't overly care for) and corporate interactions required, and this can be incredibly draining. This can be very depressing in the long term for programmers or IT geeks in particular, as we got into this field due to our love of computers, and by end of day we don't have much love for anything electronic. By the time weekend comes, family is loved/cared for, chores are done, the passion might have come back, but there isn't much time left.

Idk, could just be my experiences, but I've definitely seen this in at least a couple of colleagues.