It does more than Bitcoin because it allows the founders to rollback transactions from the ledger if they feel like it.
Sorry, a bit trollish but am I wrong? In theory Ethereum does promise a lot but in practice, we're yet to see much in terms of useful smart contracts. And as we can see from the DAO debacle, they've broken their claims of "Ethereum is a decentralized platform for applications that run exactly as programmed without any chance of fraud, censorship or third-party interference."