Agreed, this is far too basic for the "oh yeah, a junior developer might not have noticed it" excuse. Hacker News seems to assume juniors are useless, from the

Agreed, this is far too basic for the "oh yeah, a junior developer might not have noticed it" excuse. Hacker News seems to assume juniors are useless, from the comments I've seen to date - but they should be able to _think_ and solve problems, even if they're less experienced at interacting with stakeholders, designing system architecture etc.