Yes, for example in this thread, where (just for everyone’s information - I know you are aware of this @sgene) it is pointed out that just adding a larger uncertainty or moving a point by a little bit will not hide the true coordinates if they were contained in the photo metadata. The only way to do that is to use the standard “obscure” geoprivacy setting provided by iNaturalist.
Everyone, please visit that thread or these others if you are interested in various issues around intentional obscuration, and let’s keep this thread for ways to minimize locational error - thanks!