Good job finding old links. Archeology is useful for discussions like this.

On Tue, Aug 27, 2019 at 5:59 AM, Christopher <ctubbsii@fedoraproject.org> wrote:
The current status is that the Workstation WG never came up with a solution in 5 years

To be clear, the status quo is our solution. This blog post describes the rationale:

http://www.hadess.net/2014/06/firewalls-and-per-network-sharing.html