The concept isn't bad. It is true you should be able to answer these questions in 15-30s. It just can't do do what humans do.

Key Differences

- Follow up questions will dig into specifics of your business/model (this can't do that well... maybe an llvm?). This is where you want to take a bit more time. - Growth is the most important. If you don't have growth you're not getting through (this isn't 100% true, but is a very good rule of thumb). The general order Profit > Revenue > Users > Interactions

The questions YC asks are very well known so there's nothing really truly new here.