Due to lack of overlap when dealing with trees and water (both of which are warned against in our Data Collection guidelines which are agreed to at the time of upload) the normal map processing almost had not result. What you are seeing is the Flat Map Patch result that is using the gimbal's pointing information to make the map instead of the normal photogrammetry process.
You can read more about that here:
If you want you can download the patched output, which is not included in the normal GeoTiff output by default, by appending -patch to the download URL.
So in your case this URL:
Would become the following for the patch output: