etc vs. package mangers

[Joseph Rushton Wakeling]

On 06/10/13 18:57, David Nadlinger wrote:
> The docs aren't really helpful either: »Modules in etc are not standard D
> modules. They are here because they are experimental, or for some other reason
> are not quite suitable for std, although they are still useful.«

I actually realized I had no idea about what etc was until the last couple of 
days, and then I thought -- isn't this really what has just been discussed under 
the proposed name of stdx?

... and if so, why isn't it being used?