I guess you will have to correct the repairability score to 0 if it is confirmed that replacing parts even with original and genuine i-phone 12 parts causes many artificially created issues with the camera, face id and the battery… Check this great video by Hugh Jeffreys! He basically mixed parts of two phones and ran into serious trouble:
Once they have, you'll be able to view a graph of their reputation gained over time.
Here's a preview of what the graph will look like:
No reputation gained yet.