I guess it is up to each individual to decide how to balance quality against quantity.
Re being short of time in the field: can’t you save your photos and upload them when you get home? Personally I would feel guilty about uploading dozens of unedited 3-megabyte photos when a tenth of that would be enough definition, and re-sizing 30 photos doesn’t take long.
I have largely given up identifying because it takes so long wading through all the low quality observations.