That’s a very interesting perspective and I wonder if that will change attack vector.

One reason to have gateways etc. was to ensure that gateway couldn’t be taken over by software installs etc. Access was inconvenient but it was somewhat by design.

Maybe due to this attack vector shifted from directed access to automatic scanning of ever expanding vulnerabilities.

Now, as services stops being accessible from external networks once again they can be accessed in convenient ways thus bringing the old vectors back. Sometimes even giving false sense of security.