Sure, on the gross level it’s just swapping out “tied to Dumbledore’s faction because that’s where he can watch over his lost love’s son” to “tied to Dumbledore’s faction because that’s where he can watch over someone who might be in his own long-term rational self-interest to support.”
Sure, on the gross level it’s just swapping out “tied to Dumbledore’s faction because that’s where he can watch over his lost love’s son” to “tied to Dumbledore’s faction because that’s where he can watch over someone who might be in his own long-term rational self-interest to support.”
Or more explicitly “tied to Dumbledore’s faction because that’s the faction that won’t be evil to him, and being without a faction is too dangerous”.