Staking rewards will not generate significant profits after Ethereum upgrades to 2.0

Statistical statistics show that after the upgrade set associated with Ethereum 2.0 is activated, verification of transactions on the Ethereum blockchain will not result in significant return on investment (mainly for Staking rewards). According to the example of V God's suggestion, the transaction verifier on the smart contract platform can get 5% interest (per year), the minimum deposit is 32 ETH, and the current value is about $5,440. But if you consider the costs associated with purchasing and maintaining new hardware equipment and power consumption, the Ethereum network Staking rewards profits will be reduced to only about $41, just a return of 0.8%.