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Publicly banning opinions and beliefs is the fastest way to lead to murder and physical violence. Most commonly, murdering those that have been banned for not conforming. But if you can find other areas of personal interests and enjoyment to build friendships with people who disagree with your opinions, the collective whole is not so hostile.
Whats’ app, while E2EE can still pull lots of information from who you message, how often, the size of the messages, and contact’s phone number. Messenger has the content of your messages and with whom you converse according to Facebook account info stored on Facebook servers. Snapchat has a record of all activity, contacts, and message content. The messages only disappear from app but not from SnapChat servers. All 3 of those record of how you live your life, except Whatsapp can’t see content of messages but still has your activities and contact phone numbers.
Signal was ordered to turn over user content to court and Signal only had when the user last connected to the service and date of account creation. Signal had zero information about messages, when messages were sent, or to whom.