[dhosek]

I hate to say it, but you are the edge case. Most users are not fixing dates of photos (especially pre-digital scans) or adding GPS data to photos which didn’t originally have it.

[rkomorn]

I'd suspect there are more people removing metadata from photos that have it than are adding metadata to photos that don't have it.

[actionfromafar]

A photo from 1960 was scanned at <some later date>.