Why is `scope` planned for deprecation?

[deadalnix via Digitalmars-d]

On Thursday, 13 November 2014 at 09:29:22 UTC, Manu via 
Digitalmars-d wrote:
> Are you guys saying you don't feel this proposal is practical?
> http://wiki.dlang.org/User:Schuetzm/scope
>
> I think it's a very interesting approach, and comes from a 
> practical
> point of view. It solves the long-standings issues, like scope 
> return
> values, in a very creative way.
>

You need to define ownership before defining borrowing.