Signal is AGPL licensed, so they would have to publish whatever crude hack they insert in order to install that back door. (not the keys, of course, but if they're this incompetent about tech legislation, I don't trust their QA competence to be top notch)
Sometimes I wonder who builds this stuff. I appreciate at the end of the day that everyone has bills, but I feel like I'd rather apply for public housing before I work on that. They're not even getting rich, just a wagie. I have never met someone in the tech industry that was ideologically anti-privacy. It's always the lawyers and politicians. But someone builds it.
same as that weird official USgov version hosted by israel