The BOS think they are better than me, or for that matter, anyone else that is not affiliated to them.
According to their point of view they are the epitome of good and the best thing to happen to the wasteland save for the Second Coming of Jesus Christ Almighty.
And, to quote the wise Jedi master as he talked to Luke halfway trough Return of the Jedi:
Luke, you're going to find that many of the truths we cling to depend greatly on our own point of view.
So yes, Considering the Bos, hoarding all tech and let every local "banging some rocks together or something" is doing the right and good thing. From their point of view.
And considering the Enclave, wiping out hundreds of thousands of innocent but irriadiated and mutant lifeforms, to start a society of radiation free and unmutated humans, is, in their point of view, the best ting to happen to humanity after the Great War.
Heck, even in our history this is true.
In the Bible the Babylonians offer children to their God Ba'al. The People of God are disgusted by this, but according to the Babylonians point of view this is one of the greatest honors to be sacrificed.
The Aztecs spent weeks, sometime months, offering the prisoners of war to the Gods. Bloody and Disgusting to modern society, a great spectacle and honor from their point of view.
So basically, this whole Good versus Evil debate isn't going anywhere since we all have different points of view on this one.
Everything is shades of Grey. Especially in Fallout.