>Previously secure end-to-end encrypted messenger services such as Whatsapp or Signal would be forced to install a backdoor.

Isn’t Signal FOSS? I don’t know how they’d police that when everyone can just fork it and remove the back door. Also don’t VPNs circumvent this legislation as well? How will they police self-hosted email servers?

I know the response to these questions is usually “You’re right, this is what happens when the techno-illiterate write laws” but I genuinely can’t think of how I would go about doing this if I was the one who wanted a back door.