(Didn't see this reply and it's an interesting question so excuse some necro)
For my case above, this devs experience with iOS was so minimal he didn't even have it on his resume, he listed himself solely as an Android developer (but like most places we develop for both, so it was useful experience regardless). I have a strong feeling most HN folks would absolutely interview like I do, but the problem is the interview is the last step of an otherwise highly bureaucratic process that is more or less entirely devoid of technically-minded people. Like, even the recruiter that got me my job many years ago, bless em I love where I work, but even that recruiter didn't know shit. They found me because I specialized in a lot of the things my employer was after, and that sounds alright, but that was solely based on the keywords: Swift, Objective-C, etc. A recruiter, for example, won't understand that someone fluent in Objective-C, while they're going to have an adjustment period, could probably competently write C, C#, or C++ as well with some help and training.
For my case above, this devs experience with iOS was so minimal he didn't even have it on his resume, he listed himself solely as an Android developer (but like most places we develop for both, so it was useful experience regardless). I have a strong feeling most HN folks would absolutely interview like I do, but the problem is the interview is the last step of an otherwise highly bureaucratic process that is more or less entirely devoid of technically-minded people. Like, even the recruiter that got me my job many years ago, bless em I love where I work, but even that recruiter didn't know shit. They found me because I specialized in a lot of the things my employer was after, and that sounds alright, but that was solely based on the keywords: Swift, Objective-C, etc. A recruiter, for example, won't understand that someone fluent in Objective-C, while they're going to have an adjustment period, could probably competently write C, C#, or C++ as well with some help and training.