Title.
Signal can then claim it has no control over what user-made Add-ons are installed and used for. They just support the framework, which is not illegal, just like media players support playing illegal content but don’t create such content.
For people out of the loop: EU soon likely enacts Chat Control 2.0 which will force chat services to hand over keys so governments can read all your personal messages.
Australia tried that and got the excellent quote:
“The laws of mathematics are very commendable, but the only law that applies in Australia is the law of Australia”
“Infinite money glitch actively exploited by Australians as laws of math no longer apply to the country - Economy is simultaneously in tatters and going “super excellent” as fingers lose their use for counting”