Object.factory() and exe file size bloat

[deadalnix via Digitalmars-d]

On Friday, 21 August 2015 at 05:06:47 UTC, Walter Bright wrote:
> This function:
>
>   http://dlang.org/phobos/object.html#.Object.factory
>
> enables a program to instantiate any class defined in the 
> program. To make it work, though, every class in the program 
> has to have a TypeInfo generated for it. This leads to bloat:
>
>   https://issues.dlang.org/show_bug.cgi?id=14758
>
> and sometimes the bloat can be overwhelming.
>
> The solution seems straightforward - only have Object.factory 
> be able to instantiate classes marked as 'export'. This only 
> makes sense anyway.
>
> What do you think?

Wait ? Why only classes marked export ? I don't follow the 
reasoning here.