Do politicians realize what happens if they attack encryption?
That means every single credit card, debit card, monetary transaction, etc, is vulnerable to the world. Every single one.
That will do a whole lot more damage than some asshole terrorists encrypting their secret plans.
Putin khuliyo
The illegal part is not Whatsapp itself, but you have to inform all your contacts about the upload of their phone numbers to the company. not all of your contacts may be Whatsapp-customers themselves and you are just not entitled to share your contacts with a company without their consent.