>If we ban that kind of communications, the only persons making use of it will be people who really have something to hide. Criminals, drug cartels, financial f

>If we ban that kind of communications, the only persons making use of it will be people who really have something to hide. Criminals, drug cartels, financial fraudsters, terrorists and the likes. Which also means they are the only ones who got to get safe communication channels. They wouldn't be safe, though. Merely using encrypted communication would be enough to warrant attention. Encryption only provides plausible deniability if everyone uses it for mundane stuff.