capturing (or not) mutable local variables

[Brian Goetz]

>> In a parellel world, this idiom is irretrievably broken.
>
> I fear that such an extreme focus on concurrent programming is rather
> unhealthy for a general-purpose language.

How can you possibly (with a straight face) describe the choice to *not* add a 
controversial feature as being an "unhealthily extreme focus"?  Seems to me 
the rhetoric in this discussion has left the realm of reality.