If ‘the system’ is effectively generating the duplicates - we need a better solution. We need iNat to recognise - you have already uploaded this obs. I often see duplicated obs, and perhaps this thread explains why and how.
https://forum.inaturalist.org/t/duplicate-prevention-notify-observers-if-their-image-checksums-match-others-on-the-site/258 105 votes from Feb 2019
Random example from today. NOT calling out the observer. Bug report. Android app.
https://www.inaturalist.org/observations/292454358
https://www.inaturalist.org/observations/292145736