Is having a "seciurity" for vast majority of people that just do a little chit-chat with they friends and family a big thing suddenly? If you want to exchange

Is having a "seciurity" for vast majority of people that just do a little chit-chat with they friends and family a big thing suddenly? If you want to exchange your private keys, you better not do it using any chat platform. What countries do you people live in that needs such hiding from the police/state? In my country they bought Pegasus and what can I do about it? If they want to trace me they can do it.