If it is true (i.e. if a proof can be found) that “Any sufficiently advanced tool is indistinguishable from agent”, then any RPOP will automatically become indistinguishable from an agent once it has self-improved past our comprehension point.
This would seem to argue against Yudkowsky’s contention that the term RPOP is more accurate than “Artificial Intelligence” or “superintelligence”.
Dogmas of analytic philosophy, part 1⁄2 and part 2⁄2 by Massimo Pigliucci in his Rationally Speaking blog.