OpenVPN on port 443 would be my guess. Just regular nat or carrier grade nat.

But it isn’t so many things have gone to Facebook or reddit and nothing else.

Once something is perceived as free as the internet has been for ever. It is very hard to get people to pay for it.

We thought tech would improve our lives. And allowed companies to do anything they wanted for decades because don’t want to hinder progress. And no regulation on companies purchases.