Yes, it uses a lot of techniques I'm well familiar with, techniques that don't really work anymore. Like STUN. Mobile networks especially, you're just gonna end up sending all that traffic through a turn relay (which is fine).

Traversal Using Relays around NAT - Wikipedia

WebRTC

TURN server | WebRTC

as p2p apps become popular incompatible shit 'networks' will face tremendous pressure to become proper networks

I wish. A majority of the world is on a mobile carriers network.. I just don't see how it would apply any pressure, can't even get people to use a desktop browser anymore.

many mobile networks work p2p, mobiles also have wifi, starlink lol there will be nsa datacenter peers to use, its what american tax victims pay for