Yeah, see, we know Sparda doesn't have humanity because he's a demon. Humanity means the condition of being human, and the aspect of human nature.
Demons can obviously be loyal, because well...they revere kings - Mundus is the king of demons. However, that's not a "human-like" quality, as
even a dog can have unerring loyalty to its master. Hell, even primates and wolves are loyal to the leader of their groups. Demons even understand and express certain values, like brotherhood, friendship, and love...
Sparda himself "woke up to justice," but what does that even mean? Hell seems to have it's own semblance of the term what with exacting revenge on their fallen comrades and such, as vengeance is a very absolute and basic form of "justice." The thing is, demons just felt humans were unequal to them, so they oppressed them. Sparda disagreed with demonic justice (where humans had no rights), and really instead "woke up to
human justice," disagreeing with the oppression of the humans. FACT: SPARDA IS ABE LINCOLN!
Loyalty, justice, love; these aren't things specific to humans. It's the faith and hope, like you keep going on about, that seem to be expressly human traits, and the tenacity, or...whatever. The thing that really sorta makes demons different is that they value power...like...a lot. Like, more than anything. The entire demon heirarchy is based on how much power one has. Humans, on the other hand,
know they are weak and fragile, but they have also have faith and hope, which allows them to persevere. It's possible a demon could maybe understand these things, but so far, none have really shown to do so. Sparda is the only true-blooded demon that did something different from other demons...
Also, both Trish and
χ (Lucia) were constructs made by others from demonic magic, but made to look and be human for deceptive purposes. It's entirely possible that they acquire some of the traits of humanity - what they were modeled after her. They aren't really demons, per se, but they are of demonic origin.
However, let's remember that at the end of DMC1, it was proclaimed that "devils never cry," and to cry means that you aren't a devil. What that means though, I dunno...compassion, maybe. Compassion seems above all else to be the most important thing in the series. Even with DmC Dante no longer being a human, he learned compassion for them.
Maybe that's the point of DMC, just compassion, and the capacity of one to feel it?
However, again
What the hell is the point of this? It's off-topic and not conducive to the discussion. Can we maybe stop talking about crap that doesn't matter...?