As we speak there are projects underway that are more cost efficient than Ethereum. We yet have to see Eth 2.0 will do. When I said replacement, it was a bit exaggerated indeed.
Top 20 Alternatives & Competitors to Ethereum
Top 10 Blockchain Platforms to Explore in 2020 | EM360
Secondly, if Ethereum doesn't solve the high fees, people will look for alternatives, like some mentioned above. In term of the applied technology,"smart contract functionality", they are still ahead. However this can be implemented in other Blockchains as well. The most important thing is cost efficiency. This is what every complex strives managing. As we are posting this costs a lot of energy which translates into bills, but also into waste. Not just waste of money, Kwh, but also the over longterm greenhouse effect, which is toxic waste produced by these devices. And as the network becomes larger with IoT-devices it will take a bigger tole. I guess you are familiar with the Green New Deal?
"As of 05:45 UTC (12:45 a.m. ET), February 4, 2021, the average and median transaction
fee on
Ethereum reached as
high as $23.43 and $11.77, respectively, data from Blockchair indicates."
Ethereum Transaction Fees Hit Record Highs as Ether, DeFi Coins Soar- Yahoo
"Fees for transacting on the Ethereum network breached previous records, passing above $20 for the first time Thursday."
Ethereum Transaction Fees Hit Record Highs as Ether, DeFi Coins Soar - CoinDesk
I was listening to this show last night and the guy The Black Ambassador made some solid arguments, to what Blockchain technology means to Black people now and in the future. He explains what the problem with many Black people is in Blockchain technology, how Black people don't think solution based and just run behind anything, last. And this is how we end up with people saying that Ethereum cannot and will never be replaced. I remember the time when Bill Gates was the richest man on earth and everybody including myself said, nobody can excel (no pun intended) that.