I don't think he bemoans it. He describes how Apple themselves extended the protocol through XML itself towards the end of the article. "Remember that the RSS

I don't think he bemoans it. He describes how Apple themselves extended the protocol through XML itself towards the end of the article. "Remember that the RSS spec is frozen, meaning that no improvements can be made to it, full stop. That said, RSS documents are written in XML, and XML has a feature called namespaces which can be leveraged to include data from multiple specifications in a single document. This allows one to create new specifications that could be used, not instead of, but in concert with RSS. iTunes did this when they initially added support for podcasts back in 2005, but little movement has happened in the intervening decade."