Sure, but it's also extremely unhelpful. I'm sure it makes the person writing it feel superior, but it doesn't actually convey any useful information. "this du

Sure, but it's also extremely unhelpful. I'm sure it makes the person writing it feel superior, but it doesn't actually convey any useful information. "this dual locking implementation creates a race condition under circumstances X, Y, and Z" would be more accurate and probably more successful in achieving the purported goal of having a working dual locking implementation. Still direct, but addresses the technical problem without insulting the contributor.