DIP 45 - approval discussion

[Benjamin Thaut]

Am 12.11.2013 07:59, schrieb deadalnix:
> On Tuesday, 12 November 2013 at 05:46:19 UTC, Andrei Alexandrescu wrote:
>>
>> ... well time to substantiate.
>>
>> Andrei
>
> OK, but first, it has to be noted that this is putting the burden of
> proof on the wrong side of the argument.
>

But what is the actual argument? What problem do you see regarding 
object.factory and this DIP?