Considering the number of startups now relying on Ethereum's smart contract, Ethereum just cannot die
That's simply true, those project are like pillar that strengthen ethereum existence because if those project that have their token under ethereum blockchain will always empower ethereum.
also people are still hyped to mine ethereum that means the hash power is still there to run ethereum blockchain finely.
More project using ethereum network, more ethereum user. Most token in market using ethereum network and its help ethereum to survive in crypto market because more project using ethereum network thats mean ethereum demand will increase for paying transaction fee