... in peer to peer its different. There is no main or any instance to choose. you run it on your machine just like everyone else and connect directly... just like anyone else.
no DNS to be censored. no big instqnces to bribe or take over... its literally unsinkable without shutting down the entire internet or boiling the ocean... and that will cause mich bigger problems and even that wont kill it entirely, because you can use bluetooth phone to phone or local wifi connections