It's not that they are fundamentally wrong, but rather that these seem like simple, black-and-white statements/decisions, when they are anything but. When it comes to databases (especially distributed ones), the devil is in the details, and things like ACID compliance can surprisingly mean vastly different things in different systems.
+1 from me on Martin's book, btw. One of the best technical books I've ever read.
+1 from me on Martin's book, btw. One of the best technical books I've ever read.