That’s where it shot itself in the foot.
It is not UNIX’s job to stop you from shooting your foot. If you so choose to do so, then it is UNIX’s job to deliver Mr. Bullet to Mr Foot in the most efficient way it knows.
s/UNIX/Linux/g
https://www.cyberciti.biz/humour/terry-lambert-quote-it-is-not-unixs-job-to-stop-you/










Now you just need Meta to allow you on their networks to inspect packets and reverse engineer their servers because as far as I know, WhatsApp messages are not P2P.
/edit I betcha $5 that the connection from client to server is TLS(https), good luck decrypting that to see what its payload is.