-Keet can link one id across unlimited devices
-Keet rooms have moderation and persistence unlike any other platform. All peers leaving a room is a nonsensical argument. You can remove keet from all active devices in a room and still recover the room if a copy exists
-Keet relays most messages by default hiding ips, onion routing can be added to keet in future and you are free to use a VPN or onion routing on your network connection etc
Keets infrastructure grows with every device, it has no scaling limits or cost. The developer of Keet is extremely focused on privacy