Finally, these issues are easy to spot when the app runs, hence detectable during. Moreover, Xcode gives you many warnings and errors at compile time (or even before) for storyboards as well. So what? There are many similar things in your code, which you solve with better coding practices.
Storyboards fail at runtime, not at compile time. But again, you should not have large storyboards, to begin with. Home Storyboard Xcode iOS Storyboards in Xcode: The Ultimate Guid
