Right..Or instead of STUN/TURN just use Tailscale for now. I think the reason no one's packaged this into a slick Ring-like plug-and-play probably comes down to corporate greed and how hard it is to raise money if your intention is to start a business that doesn't have ever-expanding verticals. Like, this is a set of solved problems. They just need to be smoothed and packed for the user.
You seem pretty sure of yourself. So when will you be releasing this product that you claim is such low hanging fruit? Right, now you know why this product doesn't exist.
He just explained why. Because packaging, QA, setting up a storefront, customer service, the sum total requires significant up front investment to get off the ground. Good luck raising money when your pitch is "we won't be greedy and do the things that could make even more money".
Or was your intent merely to taunt him for failing to be independently wealthy?