Doesn't protect against an attacker who just sends RTS + CTS packets every 50 microseconds, preventing all other wifi devices from transmitting anything (inc beacons).

As a bonus, even wireshark won't detect anything for debugging, because the RTS+CTS handshake typically can't be sent to the linux kernel+higher layers.

An ESP32 is capable of doing that on all wifi channels 'simultaneously' (ie. round robin, but getting back to the start channel within the timeout), effectively blocking all wifi.