I disagree - I think juniors should pay attention - but actively moving outside their role is almost always more trouble than worth. I've seen so many misguide

I disagree - I think juniors should pay attention - but actively moving outside their role is almost always more trouble than worth. I've seen so many misguided proactive attempts waste everyones time, create noise, break focus. If there's low hanging fruit, and you're not in a dysfunctional environment, it will probably give you diarrhea.