> One thing that I think leet code interviews get very wrong is that interviews involve two sides trying to evaluate each other. Wearing people down with leet code is not a good pitch for your work environment.

This is huge and is underrated. Even when I have (_rarely_) passed the most bruising interview process, my emotional state was so negative towards the company. Part of the OP's emotional state (exhausted / burned-out) is the result of an adversarial interviewing style. With your style, you can gently push people to the edge and see how they perform. Your style is more dynamic, which more closely matches real world working conditions.