The mods around here, clearly, do not understand how the internet works. Discussions of such popularity and intensity never fit within a single thread, and it is useless to carry on discussion in such threads.
There are two misconceptions, here.
First is that Hinata is concerned about what westerners consider a relationship.
This is how western concepts of relationships break down: "You're cute. You laugh at my jokes or you buy me things. I think I can give up masturbation for you."
This is partly why divorce and adultery rates are obscenely high in the west.
Eastern concepts of relationships are considerably more focused around building a family. Arranged marriages are still very common and men/women are valued based upon their ability to physically support a family. The man is expected to be able to shelter and feed a family (and possibly the relatives of a family, particularly in arranged marriages) and the woman is expected to run an efficient home. Even if the roles were reversed - the focus would still be on the ability of the two to physically support each other.
Hinata wants the opportunity to support Naruto - to stand and walk beside him. There are reasons for this that stem from his behavior and support of her - from her drawing of inspiration from his person.
Neither of them are going to start macking on each other in the middle of a battlefield. Even holding hands, by Eastern standards, is an incredibly public display of unity. Though it would fit Naruto's character as something of a cultural clutz with brazen, blunt, and profound mannerisms. In a sense - that scene could be taken as Naruto acknowledging and accepting Hinata's desire to stand by his side.
Which leads to the second misconception:
Naruto hasn't denied or ignored Hinata.
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This implies that there is more going on between the two than has been directly illustrated in the manga thus far. It would not surprise me to see more interaction between Naruto and Hinata crop up in yet another flash-back (because God Forbid crucial plot and story developments that occurred alongside previous manga events have been shown at the time).
Honestly, it would be completely out of character for Naruto to ignore someone who jumped in front of certain death for him. That's what 90% of Shipuuden has been about - Naruto chasing after Sasuke because he felt Sasuke could understand him (as well as risked life and limb for him). For him to not seek Hinata out would be radically out of his character. Even if the manga excuse is that "everything just got so busy with the reconstruction of the Leaf" - it is still unlikely that Naruto is disinterested in her.
The key point to keep in mind, though, is that the characters aren't real. The world isn't real. The events are all a part of the author's intent to convey a message.
As such, when one discusses the concept of "Naruto and Hinata" - one should pay close attention to every scene in which Hinata appears, and take into account what the author is trying to say. Kishimoto is somewhat more arbitrary in this sense - his plot is often not so well refined as to hide the "hand of the author.