Yep there needs to be diversity but they will naturally diversify. What he's doing is just taking natures natural asexual method and giving it a boost to compensate for their current endangered state. Think about if say a wave broke a colony, the result would be frags everywhere! so this is kind of just replicating that.. in a more controlled manner..
probably not the best idea longterm but we've got to get them off the ground.
Elkhorn have lost 90% population in 15 years. Aint good lol