If a clone is indistinguishable from the "real" thing, I don't see what the problem is. Not to mention what everyone else has said: no evidence, lots of expense, plants are already cloned as a matter of course.

Jeffp: We don't need no steeenkin evidence! I think in this case, though, the evidence comes from voices in the walls. My evidence for this is the testimony of George Michael, who is talking to me from above the ceiling tiles.