This is a bad take. If your threat model has you concerned about people who follow you around and exploit your Wi-Fi firmware, you probably shouldn't ever have

This is a bad take. If your threat model has you concerned about people who follow you around and exploit your Wi-Fi firmware, you probably shouldn't ever have Wi-Fi on -- or maybe you shouldn't be using a smartphone. For everyone else, the new behavior allows users to disconnect from bad Wi-Fi in Control Center while improving their battery life in case they forget to turn Wi-Fi back on.