Rito, Tank meta is best meta ever happened in this game!

No 1v5 penta, no oneman army... all is about teamfight, ADC and assasin have to choose carefully who they should attack... exept enemy of tank like , no much else is broken. What is tank meta? i didnt got pick anyway OK Few weeks ago, is use to deal agains ADC. Now yif enemyi have no nobodyi buyild .