>> But the King still needs to remain available for some time yet -- to
>> preserve some of the diamonds in there which may not have a caretaker
>> at this time.
>
> More than that: Metacello has - as I understand it at least - coupled
> the notion of a project together with the source of that project. In
> other words, a ConfigurationOfFoo says "get these packages from this
> server". That means that unless you take care in how you write your
> ConfigurationOfs your source location is a single point of failure.

Making the original SqueakSource read-only has no bearing on this use-case.