What do you think about DeFi on ethereum at the end of 2021? It doesn't seem to you that this is an absolutely bottomless pit living your money on transactions (unless you are a millionaire, of course)
Heard about DeFi on Solana or Near? When will such blockchains completely replace the losing Ethereum Network?
What projects on Solana or Near have you used?
If you study these ecosystems, you will see low liquidity and low user base.
The issue of commissions on Ethereum is easily resolved through Level 2 solutions: Polygon, Oprimism and Arbitrum.