I get that the little gornbabies were all murderous and whatnot, but I think it needs to be said that the Enterprise crew basically killed a bunch of toddlers, with La'an literally freezing and smashing the corpse of a baby *sentient being* - who, for all they knew, was merely having the alien equivalent of the terrible twos. It wasn't some kind of animal. It was a person. Operating on a violent alien instinct, perhaps not even capable of reason or speech yet, but it was a person, not a monster. I don't think they tried very hard to corral it or communicate instead of just killing it as plan A.