Demo is to send and receive USDC stablecoins on Goerli, done from a regular SAP UI. They don’t mention Ethereum in their article - which is how it should be because end users should care about the functionality and not the implementation details.
It's an ERC-20 token wallet. You need Ethereum gas to send, and your receiver needs Ethereum gas to make any further transaction.
It sure would be nice if the end user shouldn't have to care about implementation details, but that isn't the case here.
It sure would be nice if the end user shouldn't have to deal with a multi-level marketing pyramid scheme.