Basic corporate and home networking with NAT and sane default firewalls have been solved for so long now that even senior engineers have never had to deal with

Basic corporate and home networking with NAT and sane default firewalls have been solved for so long now that even senior engineers have never had to deal with it. I haven't had to deal with firewalls in 15 years now. So I can't entirely fault them for not understanding, but you're right, it's kinda nuts.