[jbergens]

They probably mean that you are solving problems, real world and other, but you don't really need features like generics to do the "real world" part. Their proof is in things they have done, projects they have completed. If more projects and developers tried to use Go they might also find that a lot of projects can work with Go. Regarding the 20+ developers I am pretty shure Google has Go projects with many developers. I also think they were clearly targeting enterprise projects. Google is a huge enterprise with huge programming projects.