So the idea that Dharma abandoned the Others and they consider themselves the true "owners" of the island...a community committed to survive...since they are scientists, would they want to expand the gene pool as much as they can?

Like what was said earlier in this thread about a Peter Benchley novel, if the Others truly believe they are on their own and are building a new society, I think the dangers of having a small gene pool would weigh large on their minds. So, they snatch the children (all of the children who were with the tailies, plus Alex, plus Walt, and almost Aaron). And remember what that guy who was an Other told Ana, "We take the best of the survivors, and leave the rest." (That probably is not exactly what he said, but it's close).

If that's so, that's why they don't want Jack and Locke and Sawyer and Sayidd. They don't need anymore alpha males. They need women and children to keep things going for the future. The original Others (Dharma people who were there during the first "incident") are getting old. They need to start thinking about "passing the torch" to next the generation of Others.

Those are the children they are now raising (and indoctrinating).

Sorry, got a little off topic.

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charlie98210
"Whoa!" she said. "Cry 'Havoc!' And let loose the dogs of war!"
And, like Banquo's ghost, they just won't go away.