If you connect two boxes from different vendors together in the same network, will it work? If yes, what and how exactly is it going to work?
Miniature things at large scale could become catastrophic.
The solution will always be as complex, as you made it complex.
Growth is expensive, because the network doesn’t scale economically like storage and compute do. The operating expenses of compute and storage becomes cheaper per unit as scale increases, but this is not the case with the network.
When you’re wrong with automation, you break everything, not just one thing.
The most business relevant elements of IT cannot be automated, because they require creativity, vision and architectural savvy.
IPv6 is one of the oldest “new technologies” around.