Innocence, Authenticity, Tranquility, friendship, just plain being comfortable and in harmony with one's self and surroundings are not things you fight for,
It kind of feels like it is. There's a really popular cartoon telling kids it's magic and has the main characters fighting for it all the time. (And now I'm seeing the request for Pony characters).
nor are they particularly heroic they are the things people who only care about the immediate care about which tend to end up producing a population of "f you, I got mine" not necessarily a population of good people.
Feels like you're conflating greed with those positive things. But taking your line, maybe the power halflings have is wanting those things and not producing greedy kids.