Earlier quoted context omitted.
Mobile numbers are also often the most secure (even if not secure) / only way to contact someone in parts of the world....
True, but for edgecases with no alternative means of contact, there could be other simple solutions. In the articles instance, Chloe could in the future register that sim, and then immediately tag it as Chloe Sullivan on TrueCaller(or whatever app they use in the country in question). Problem solved. Ta-da. There are solutions other than proposing regulations or limitations on apps that benefit waay more people than…
It does not seem unreasonable for a service like TrueCaller to notify people that user-generated information about them is being irrevocably added to a globally public repository.