D vs Go in real life

[bearophile]

Chris wrote:

> E.g. one day D might implement features that have to do with 
> what Facebook needs more than features that programmers need in 
> general. So a module std.webshite.upload.latest.picture gets 
> all the attention while std.reallyhandy is being neglected.

Do you know one or two cases where this phenomenon has happened 
to a language?

Bye,
bearophile