Most people expect a domain to work without adding 8080 as a port number in the URL. Hell, I’d say a majority don’t even know that it’s possible.

That’s not going to happen with the current tech. Maybe someone comparable comes out with those specs.

There is the rule number one of the linux kernel: “We don’t break userspace.” Linux has refused fixes for buggy behavior in the past because of this rule. This would most certainly break userspace.

Also the alt text of the original image states this is fake.