My argument was the world, not some people. Yes, he has betrayed some people.
I suppose I've got an ugly mind, because I can sympathize and concieve of myself doing the same things if I was in his situation. Sometimes you have to make hard choices that have big consequences to move forward in your goals.
It's not a good thing, but it might be necessary. For example, with Euphie, yes - I would say he betrayed her by using the situation to his advantage, but from my perspective, that was the only constructive way to take advantage of the situation.