Ten people is an outpost, not a colony, but your point that we should also be working on impactor defense is well-taken. In fact, colonies along with impactor defense is an example of the concept of "defense in depth".
Well, you know what I mean. Even if you had 1000, it would still look pretty bad for the billions of people living on Earth. And let's not talk about genetic diversity in a population of 1000, oh no, let's not talk about that.
EDIT: since you modified your post. Well, agree with you. Just like everyone here should have good offline and online backup strategies for their data.
