[wreath]

> Much like standardized tests are meant to assess objective aptitude but invariably favor those who specifically prepare for the test, which diminishes their objectivity, these types of interviews vastly favor those who specifically prepare for these types of interviews.

But those who prepare for system design interviews are most likely better equipped to design systems in real life too, because they had to go through the different problems and types of systems and their requirements. Now that doesn't mean they can implement it end-to-end, but you could probably tell those who are over-engineering it from those who actually either have experience or solid foundation to make good decisions.