It was never reality - I graduated in 1996 and have worked at 10 jobs everything from lifestyle companies, to startups, to boring old enterprise to BigTech and now consulting companies. To a tee everyone has treated it like a job and not some religious calling. There is absolutely nothing wrong with coming to work at 8 leaving at 6 and not thinking about computers until the next day.
You don’t need to be doing side projects and open source contributions to do your job as a software developer anymore than a surgeon needs to be performing operations at home.
No I wouldn’t have chosen a major because I enjoyed it if it didn’t make any money. I didn’t then and I still haven’t found a method to get over my addiction to food and shelter.