Aren't these two statements below contradictory when taken at face value? Both under Junior dev. Over-engineering is a major problem, often leading to fragilit

Aren't these two statements below contradictory when taken at face value? Both under Junior dev. Over-engineering is a major problem, often leading to fragility and bugs. When given a problem, they often try to fix just the current problem a.k.a. fixing the symptoms instead of fixing the root problem.