diversity for stability is of course a good concept to protect the blockchain and thinking you have complete security is like building an unsinkable ship. If there was only a famous example that I could use as analogy...

I am still not quite sure, are you talking about the service provider people use for their internet in general or is Amazon offering a special server-based service? In Germany we have different internet providers mainly Telecom so I always get confused when talking about the US systems.

Btw do you know Peter Thiel? He is actually someone who made me think that maybe not all economics is evil before Ron Paul did. I wrote a small post about him, he has some really unique approaches.
https://steemit.com/celebreties/@thatgermandude/introducing-peter-thiel-one-of-the-greatest-minds-of-our-time-and-an-honest-provocateur