User blog comment:SpartanJ014/Forseeable problems on the horizon/@comment-7709681-20140120154351/@comment-7709681-20140120193519

Don't believed that it, LoL, is the best example either but still the video and its information is both useful and ilustrative.

You are right, a shift in the metagame may be weird, but some remain for a long time once they are discovered or successfully achieved, such as was once AP Yi, as it is AP Sion or even the recent Tankgar, by this kind of irregular yet powerful shift of playstyle is that is trully worthful for Riot to make use of either subtile or radical balance changes.

And I must ask: From where you got the idea of Riot being bad at balancing? From what I may reckon the last imperfection in their balancing system was the rework of Black Cleaver, when the passive was stackable.