We can postulate events that regularly destroy an intelligent species before it can reach out to Earth.

If such were the case the Federation's action in allowing the hunters access to the planet may be destroying an intelligent species.

It's only the difference between curing a dangerous disease and destroying an entire sentient species.

So you can sit here and contemplate destroying a sentient species without even thinking of a way to communicate with them.

It is assumed that these units were set up because one man (or half-vampire) is not enough to destroy an entire species.

I would prefer not destroying a whole species if we can avoid it!

The Monsters will destroy a superior species, commit sapienocide, for something they can't even use.

To destroy a species is to destroy our own species.

Such unnecessary deaths roused to action those who felt that it was immoral to wish to destroy an entire species.

"But I'm almost sure now, and you can't go destroying a whole species until we know."