Nowadays here are other more efective ways, than encrypted WhatsApp (secrecy), to fight bad governments and ridiculous laws.
North Korea and Saudi Arabia are obviously very extreme examples. Internet encryption must be the least of their worries.
Governments with working justice systems should be trusted with power to provide security.
There should be No technical means or backdoors globally accessible. Information should be provided on request basis, based on a warrant for that suspect. And data stored should follow data protection laws.
If you think you country justice system is not working properly there are ways to fight that. And probably there will be people and institutions already doing.