If I remember clearly, Apple's hiring process low-key also looked for "good taste" and "product sense" even for pure engineers. Subtly different than anywhere else I interviewed. It's really hard to measure and quantify good taste and an intuitive feel for what's great, which is why most companies don't bother trying. "Just make number go up" is the norm.
I think Apple (very intelligently) made products where the average consumer is the enthusiast. Which is very hard to do when your company is a bunch of engineers.