Quote from progammer: Go
On a side note, do we know exactly if Dehaka is the same zergling with a wounded claw Kerrigan picked up in "Transmission". I never hear any character mentions it, they just the same wounded claw.
Unlikely, while they share that trait, one is a Primal and the other is a engineered Zerg.
There was also massive wasted potential on doing better environment work in the story. Kerrigan alone on Zerus? Let some Primals run over a treestump and some jump down. Build up some suspension with Primals running past, sounds, etc.