All applications are reviewed. In your case, YC was able to decide your company/team isn't a good fit for them just by reading your app, without needing to see

All applications are reviewed. In your case, YC was able to decide your company/team isn't a good fit for them just by reading your app, without needing to see a video or demo. Why should they be forced to spend an hour on every app when they can make a decision in the first few minutes?