Balance of S6 and New Champions

Hey Riot, I love the new additions of champions and it always makes me excited to see a new one come out but, you guys really need to start taking a look at champions that are too over tuned or champions that get zero attention. There are some champions that seem way to powerful common examples everyone brings up are Zed(Getting an nerf soon i think), Lee Sin, Yasuo, Master Yi and these are just a few that are commonly mentioned as being "Op" and "broken". Then, there are just some champs that feel like you never hear about them anymore or see them played very often. An example of some of these would be Galio, Jayce, Zyra (Getting an update soon), and Taric yet again there are many more but i want to keep this brief. Getting to see new champions is great and all but the current game needs tuned. Turrets are too weak and can be dived very easily, Zed is too safe of an assasin, Guinsoo's Rageblade is just plain ridiculous on some champions along with devourer, everything seems too ad centric (mage update coming soon), ADCs being played in nearly every lane, the list goes on and on. I feel like Riot should change focus and think about the balance of the game instead of making more things that can cause balance issues.