Apple took away a key feature, where you pressed a key combo (shift+alt) and clicked on the Bluetooth menu bar item, and you'd get an option to reset Bluetooth; this helped for the inevitable case where people have bugs and devices won't connect, or Bluetooth just won't work.

https://www.macrumors.com/how-to/reset-mac-bluetooth-module/

That no longer exists on Monterey.

They might be referencing Control Center, though.