Many believe the K11 were not given the same justice in part 2 as they were in part 1. Neji and Hinata being prime examples. The series seemed to focus more on developing Naruto and Sasuke and making most of the K11 near full time supporting characters. Since Hinata has always had a thing for Naruto, Neji was once his nemesis who became his friend and compared to Sasuke a bit and the Hyuuga turned out to be one of the oldest clans after all that bear Kaguya's eyes, if you had been in charge of the story, would you have worked these characters in more or not? If so, how would you have done it?
Cuz that would just take away from the plot, The series isn't random stories from other characters point of view, every thing thats ever put on paper relates to Naruto it all connects to him. The first major antagonist "Orochimaru" was revealed to be a part of a group of those with power equal to his or stronger. Another connects to sasuke "His brother" And their group is after Naruto and his Nine tailed fox. Thats all that matters.
Turns out theirs others like naruto "Gaara" and the other Jinchuriki so they had reason to not go after naruto now so we can focus on whats going on around his character, cuz this manga is called "Naruto" Not "Naruto and The Konoha 11"
Hunter x hunter forgot the existence of everyone besides Gon and Killua, DB and DBZ doesnt revolve around Krillin, yamcha, and tien. Death note isn't from Matsudas point of view.
Kishi uses characters who are relevant to the current situation. We already know about the hyuugas theres never been a secret nor did the Main antagonist have anything to do with the Hyuugas. They are after Jinchuriki not kekkai genkai.
An Uchiha is a member of it thus they get more focus, also the rival of the main character is one. Nobody complains about HxH, FMA, DB, DBZ, Death note, Code Geass, and every other ****ing story in the universe. Nobody begs for a panel of yamcha, But we have people complaining about Konoha 11 not getting screen time. Fans ruin naruto for themselves.