https://cointelegraph.com/news/3-cloud-providers-accounting-...
https://www.coindesk.com/business/2022/10/12/morgan-stanley-...
Furthermore, the cointelegraph article misquotes a Messari report as if it's discussing the current state of Ethereum as having central points of failure, when it's really discussing a hypothetical upgrade to Ethereum that was never considered nor built.
Finally, node percentages don't actually matter in terms of chain uptime. What really matters are staking validator percentages, since they are what determine chain building and finality.
This doesn't change the fact that centralisation is still a massive problem with Ethereum and it is still a big enough problem that everyone knows that the crypto infra of choice is to coalesce on AWS.
Infura deploys Ethereum nodes solely on AWS further centralising Ethereum on there thanks to a Consensys and AWS partnership.
The entire opposite of decentralisation in crypto.