A lot of words , and not as direct as they could be, to say "work on what is going to advance your personal goals." If you are a careerist and working on your

A lot of words , and not as direct as they could be, to say "work on what is going to advance your personal goals." If you are a careerist and working on your boss's pet projects is going to advance that, then say yes whether or not they have "business value." (If they aren't though, then work on something else.) If you are an early employee / significant shareholder, then absolutely do what has "business value" and nothing else. That could be boring library updates or it could be something else.