To be fair they are talking about the technology they have developed themselves and are now outsourcing. They are using Fastly as a paid service, so why should

To be fair they are talking about the technology they have developed themselves and are now outsourcing. They are using Fastly as a paid service, so why should they talk about it? It's just a building block of their delivery solution. It isn't like they discuss the web server software they use either.