Most WebRTC Projects Don't Fail at Scale. They Fail at 300 Users.

I've lost count of how many WebRTC projects I've seen hit a wall long before they hit "scale." Not at 10,000 concurrent users. Not at 1,000. At 300. And almost every time, the root cause is the same thing: the team built for the demo, not for the third user who tried to join from a hotel Wi-Fi in Manila while the second user was tethering off a phone in a parking lot. The "It works on my machine" trap is worse in WebRTC Every backend engineer knows the "works on my machine" meme. In WebRTC, it's