I think that’s a fair point, but then one could argue the onus should be on them to “reconstitute” the files before export by merging the EXIF back in.
It’s one thing for a techy to get it out and know how to mash it all back together but quite another for my mum, for example, who would find it potentially an insurmountable blocker to changing her cloud storage provider.
It's even GDPR compliant.