if you have too many deeper questions you rule out a lot of eager juniors who can learn and grow on the job. its a fine balance though, but looking at the artic

if you have too many deeper questions you rule out a lot of eager juniors who can learn and grow on the job. its a fine balance though, but looking at the article, ben's taking his lessons and growing. thats more important i think than having someone who's some guru from the get go. everyone has things they are better or worse at, and it's really a team effort to do everythinng right. presumably someone reviewed and accepted his code, that person also didnt catch it... there's no developer who knows everything and makes all perfect code and design. its a well balanced team that can help go in that direction