> It took a deep understanding of VERY specific tools (shout out to ASIC EDA tools). But that doesn’t matter on a technical interview. So you hire somebody who can Leetcode, but can’t figure out how to fit all the pieces of the actual job together.

What would you suggest testing? If you ask about the specifics of a given framework, you'll get someone who's memorized that framework but can't actually think. If you get someone who can code and has a decent level of general intelligence, they'll generally be able to learn a new API.