Simplification of @trusted

[max haughton]

On Wednesday, 16 June 2021 at 22:02:18 UTC, Bruce Carneal wrote:
> On Wednesday, 16 June 2021 at 21:47:55 UTC, jmh530 wrote:
>> On Wednesday, 16 June 2021 at 21:22:32 UTC, Walter Bright 
>> wrote:
>>> [snip]
>>>> [...]
>>>
>>> The idea is to encourage programmers to think about 
>>> organizing code so that there are clear separations between 
>>> safe and system code. Interleaving the two on a line-by-line 
>>> basis defeats the purpose.
>>
>> This is a better argument against @trusted blocks within @safe 
>> blocks than it is against @system blocks within @trusted code.
>
> I'd love to see those gone as well but it could be hard to get 
> there from here.
>
> It's easier to validate simply nested rather than finely 
> interwoven dependencies.
>
> I hope we can start reversing course rather than moving further 
> down the "convenience over practical safety" path.

Where do you make the distinction between convenience and 
practicality in this context?