I'm not really "Amazed" as that is going a particular bunkerization route that resists a certain class of attackers that you would not be capable of holding off

I'm not really "Amazed" as that is going a particular bunkerization route that resists a certain class of attackers that you would not be capable of holding off anyway as someone who this article is useful to in the first place. Properly configuring RBAC is probably slightly above much of the target audience.