Having multiple options for receiving off-chain oracle data from the real-world is beneficial to Cardano smart contract developers. For example, there are different methods and design principles to deploy Decentralized Exchanges that work with Cardano's extended UTXO model. Therefore we are seeing a healthy competition in the early days of the Cardano DEX sector.
Similarly there are multiple ways to design and implement how a Cardano oracle will gather and publish its data as well as the types and range of feeds it will provide (e.g. cryptocurreny price pairs, sport event scores, weather events, etc.) Therefore, it's important that Cardano smart contract developers have several viable oracle input options to choose from. This allows them to match their use cases to appropriate design principles and priorities.
Orcfax is distinguishing itself by filling a niche for DApp users that need trustworthy, long-term auditability of the off-chain data that is consumed by their Cardano smart contracts. Data published by Orcfax has a clear chain-of-custody with reliable provenance metadata. It includes the ability to consult this data from archival information packages stored on the IPFS decentralized storage network.