A great deal of Spring is based on classpath scanning and reflection; I don't think any such thing as ServiceLoader exists in golang, and my experience with the golang reflection has been "this is clearly solving some other problem than the one I have"

> Why do you think Microsoft is now back in Java land with their own distribution

Because they have enough engineers to throw at any big environment where they can potentially expand in the future and having own distribution for an app layer lays foundations for new Azure services? (edit: checked after the response; first paragraph: "Java at Microsoft spans from Azure to Minecraft, across SQL Server to Visual Studio Code" - yeah, I think I got it)