Very short. My translation.
A blockchain network built on top of existing Internet infrastructure,requires hosting services for communication betweenusers and applications. 60% of all these nodes on Ethereum are hosted by Amazon Web Services. This gives one centralized authority the ability to shut down a large portion of the entire blockchain network.
cointelegraph.com/news/separating-web3-facts-from-fiction-report
And not even hosting, but control over the main Internet nodes.