I don't see Ethereum dieing any time soon but one that would stay for as long as cryptocurrency keeps being relevant in the context of blockchain. Even the staking that ETH 2 brings along is another selling point it has attracted. Although, penalties are allocated during staking as a result of node failure to validate a block due to no connection which I believe some solid projects are working tirelessly to provide reliable solutions to. Example of such projects I'm sure of is
https://stafi.io It is true that Ethereum is not going to die soon but there are many Projects working hard to share Business of Ethereum by providing better service at lower cost and Polka dot is one of them which has quickly jumped to #6 on cryptomarket in 2020. The Gas and Transaction fees on Ethereum are extremely high now due to scalability and transaction speed issues of Ethereum network and it appears that these issues will not be resolved any time sooner .