This is actually the best argument why exceptions do not "scale": Because in larger systems, the place where you handle the error is almost certainly not up the call stack, but in a different subsystem.
> Passing errors around places too much emphasis on where errors occur. For recovery you only need to know what you can recover from and where you can do that recovery. This is usually no where near where the error occurs.
In a way, errors are just data, like everything else. There is not much sense in making them something special - as I said, with the exception of smaller script-like programs, where you usually want to jump out of a larger subprogram immediately, and rely on the garbage collector / stack unwinding to clean up (hopefully, everything) for you.
