The alternative is for our field to have a strong organization that vets it's members, like any other professional field such as lawyers and other engineering disciplines. That way, before you even meet the person, you can assume a level of competence and can get into much deeper questions faster.
I guess the irony is that most of the interview tactics now focus simply on comparing candidate A to candidate B, in contrast to learning about candidate A or learning about candidate B and evaluating their suitability based on their skills and experience.
If you ask both candidates a question like "Johnny climbed up to the top of the hill, where was Johnny when he stopped climbing?" and then get a blank stare from both candidates then you are going to conclude that you can't find any 'qualified' candidates because they can't answer a dead-simple question.
The vetting of candidates used to be contributions to software product releases and publications (in addition to degrees and GPA). A motivated hiring manager could also search mail archives of popular open-source projects.
And then all the high-paying jobs will go to people who went to MIT and Stanford, and if you're great but couldn't afford more than community college, tough luck, because your credential is the same as other people who barely finished high school.
