Presumably to minimize e-waste, as it's more likely people will hang onto their old phones (or hand them down or resell them) if they can revitalize them with a

Presumably to minimize e-waste, as it's more likely people will hang onto their old phones (or hand them down or resell them) if they can revitalize them with a cheap battery/display swap. Things like recycling marks, appliance energy efficiency etc are all already regulated.