Interviews are a game of asymmetric information. The job seeker has much more knowledge of what they can and cannot effectively do than the job offerer. And the job offerer has much more knowledge of what is and is not required for true success than the job seeker.
Given that, no, there really doesn't have to be a better way than just "interview a lot of people and take your best guess". If you stop taking the time to do that you will eventually be outmaneuvered by someone who does.
Interviews are a game of asymmetric information. The job seeker has much more knowledge of what they can and cannot effectively do than the job offerer. And the job offerer has much more knowledge of what is and is not required for true success than the job seeker.
Given that, no, there really doesn't have to be a better way than just "interview a lot of people and take your best guess". If you stop taking the time to do that you will eventually be outmaneuvered by someone who does.