What's your opinion on programmers who are not passionate about programming, have no side projects and only program at their jobs. Not senior devs either, just programmmers, who are not juniors anymore. Can they ever improve, write better code? Or do they stagnate.
Asking because my coworker said he doesn't enjoy programming at home.

Update, 2 years later. So, I appreciate all of your responses and since I started developing full time ( not a student anymore ), I can see how people don't have much time to polish their skills outside of their work. However, I want to become better, so I rather sleep less, and try to learn about framework specific things I do not understand in detail yet. Sometimes i even work on work projects in my free time, because i like how they were developed and i want to ingrain those practices into my mind, so when I'll have to make a project from scratch, I'll predict what pitfalls to avoid and how the data should be organised. I really want to show my manager and my mentor that I am capable of not just being a code monkey, but also coming up with inventive solutions to unique problems i'll face along the way.
Now, I understand that my eagerness to work in my free time will slowly fade, but, lately I don't even feel the desire to party because I'm tired/ have work tomorrow and to be honest, I don't even miss going out. Of course, I go out for the occassional coffee, date, hangout, but sometimes i'd rather just stay at home and code 😅