Ethereum developer Tim Beiko said that unlike the 2016 TheDAO hack, the Bybit attack did not violate the rules of the Ethereum protocol, and a rollback would lead to widespread and difficult-to-fix chain reactions and could even have more devastating consequences. The cost of the rollback could be much more than $1.5 billion

Ethereum developer Tim Beiko said that unlike the 2016 TheDAO hack, the Bybit attack did not violate the rules of the Ethereum protocol, and a rollback would lead to widespread and difficult-to-fix chain reactions and could even have more devastating consequences. The cost of the rollback could be much more than $1.5 billion
https://cointelegraph.com/news/ethereum-rollback-debate-technically-intractable-eth-core-developer