Hello there :)

You have not yet disclosed who "we" is. There is a difference between people (and accounts) mapping as a hobby and people mapping for money or as part of some kind of company / corporation. Especially since you mentioned "many of our users who give us this live data".

Here are some resources to help explaining about change set size and about "organized editing"

https://wiki.openstreetmap.org/wiki/Changeset#Geographical_size_of_changesets

https://wiki.openstreetmap.org/wiki/Organised_editing_best_practice

happy mapping
silversurfer83