Templates, D way

[crimaniak via Digitalmars-d]

On Tuesday, 5 September 2017 at 14:43:19 UTC, John Colvin wrote:
> On Tuesday, 5 September 2017 at 12:41:45 UTC, Computermatronic 
> wrote:
>> On Tuesday, 5 September 2017 at 12:20:14 UTC, crimaniak wrote:
>>> [...]
>>
>> I find it very strange that this works, as a non-mixin 
>> template should not be able to capture the context of where it 
>> was instantiated. If you take the alias template parameters 
>> out it behaves how it should (that is an error message saying 
>> this is not accessible).
>
> https://issues.dlang.org/show_bug.cgi?id=17809

What kind of harm can this be? Can this be considered a feature?