AI Problems with Flanking

I have noticed that the AI is completely incapable of dealing with Flanking. AI opponents consistently (read: every single time) block attacking creatures with creatures of equal stats, which of course results in the Flanking ability making all the difference and destroying the blocking creatures. They even block with multiple 1/1 creatures, which is of course utterly hopeless. Is this a known issue?
It feels a big exploity being able to remove AI creatures in such a reliable manner.
It feels a big exploity being able to remove AI creatures in such a reliable manner.