So Craig has now said that he accepts that a bug has been filed
against his packages which is a real bug, and which he refuses to fix
on the grounds that he doesn't like the method used to find the
bug--despite the fact that the method was discussed on debian-devel,
and received general agreement, and that he didn't raise any
objections to the procedure at the time.
It seems to me that a developer who refuses to fix a bug (and in fact
declares that he will never fix it) which could be easily fixed should
be considered to have orphaned his packages.