Based on a new proposal by the Belgian Minister of the Interior, EU governments could endorse the much-criticised child sexual abuse regulation (CSAR or chat control) as early as June after all. This is what internal information leaked to Pirate Party MEP and shadow rapporteur Patrick Breyer reveals
It is assuming this is implemented in a way that forces all existing messaging services to implement this or shut down. In that case, you would want to build it from source from a point in time before it was implemented (or shut down). If that is not the case, then this wouldn't be much of a problem to begin with, right?
I mean, running outdated software is bad practice. Do you think backdoors would have to be cleverly hidden every time, like what we almost got with XZ? If it is in plain sight, I highly doubt a person outside of the oppressed jurisdictions (or just someone anonymous) wouldn't make a malware-removing fork.