In the future, when Ethereum is the go-to for creating DApps, smart contracts and financial products, how can reduce the inevitable centralisation of the network? Like right now, a large portion of Ethereum nodes is hosted on AWS and GCP, what system can

I'm by no means trying to discredit Ethereum. The network is amazing, and the underlying technology is fantastic. In fact, this is not a flaw in the network itself, but the users. But of course, Ethereum is decentralised, so no one person could ask a major corporation running millions of Ethereum nodes to shut them down. So we will have to code it in to the network itself? If so, how?