GDPR data portability could be expanded to include defined formats for export so that import can be done in an automated fashion.
That comment doesn't provide any value.
> You want to make it such that facts added by anyone can be easily imported with a simple opt-in.
OpenStreetMap is much larger than just me or one company.
> GDPR data portability could be expanded to include defined formats for export so that import can be done in an automated fashion.
Imports are not an easy problem - how do you deal with conflicts? How to verify which data is more accurate?
Imports are supported, and there is a detailed process for them to make sure OpenStreetMap stays well maintained: https://wiki.openstreetmap.org/wiki/Import/Guidelines