Except even at those companies, the actual day to day work is pretty straight forward. What we really need are engineers who can produce well thought out design

Except even at those companies, the actual day to day work is pretty straight forward. What we really need are engineers who can produce well thought out designs, and write quality code that is easy to maintain. Unfortunately, the emphasis on tech interviews is on algorithmic questions, possibly due to desire to reduce candidate pool size, and the fact that design output are somewhat harder to quantify.