misplaced @trust?

[Zach the Mystic via Digitalmars-d]

On Thursday, 5 February 2015 at 19:49:41 UTC, Andrei Alexandrescu 
wrote:
> On 2/5/15 11:17 AM, H. S. Teoh via Digitalmars-d wrote:
>> In short, my proposal is:
>
> Tainted variables are an interesting topic, but quite distinct 
> from the notion of separating safe code from unsafe code.
>
> As much as I was shocked about the use of 
> @trusted/@safe/@system in std.file, std.array and sadly 
> possibly in other places, I found no evidence that the feature 
> is misdesigned. I continue to consider it a simple, sound, and 
> very effective method of building and interfacing robust code. 
> An excellent engineering solution that offers a lot of power at 
> a modest cost.
>
> I do not support this proposal to change the semantics of 
> @trusted/@safe/@system. A separate tainted data proposal might 
> be of interest for loosely related topics.
>
>
> Andrei

At minimum, there needs to be official documented guidance on how 
to use @trusted. If phobos developers got this far without 
knowing how to use it (assuming their complaints on its design 
are indeed meritless), how can anyone else be expected to?