Presumably because of the delay involved and the safety of the migrants. See, e.g., https://www.humanrightsfirst.org/resource/mexico-still-not-safe-refugees-and-migrants (from 2018 but I doubt much has changed since). Reply
Why not undo “Remain in Mexico” the way it was done?
Presumably because of the delay involved and the safety of the migrants. See, e.g., https://www.humanrightsfirst.org/resource/mexico-still-not-safe-refugees-and-migrants (from 2018 but I doubt much has changed since).