At that level, it really depends on what you want to get out of life. You are not your job, or your car, or even your dissertation. You may really want to know

At that level, it really depends on what you want to get out of life. You are not your job, or your car, or even your dissertation. You may really want to know what code perfection means to you, but you might also want to know what it's like to have a family, or run a marathon, or whatever. Don't risk your job, but spending the time to make something as good as you can make it is often rewarding. Not to be all morbid, but the clock is ticking, death comes for us all. If it's bugging you, you should fix it - even if no one else cares. If your own satisfaction isn't enough, you should set it aside and do something worthwhile. (whatever that may mean for you)