Here's some other articles on the problems with Ethereum:

https://github.com/libbitcoin/libbitcoin-system/wiki/Proof-o...

https://hugonguyen.medium.com/proof-of-stake-the-wrong-engin...

https://hugonguyen.medium.com/work-is-timeless-stake-is-not-...

https://medium.com/hackernoon/sharding-centralizes-ethereum-...

https://blog.lamden.io/turing-incompleteness-and-the-sad-sta...