He takes too much credit on the creation of Ethereum, he really just is the PR guy.
The moat of the work is in the EVM and all the tools and languages that was built around it.
He did a ton of false claims and bad choices on Ethereum scalability and use cases, side chains, ethereum to be used as a social layer, file storage etc.
Last but not least the move from POW to POS probably killed the network on the long run.
What would have been respectful would have been for him to walk away from the ETH foundation. With its huge stack of premined ETH…