User blog comment:Big Lupu/Why do wards take slots?/@comment-5283770-20130609115859/@comment-4708818-20130610132835

As the Support Problem is something Riot does actually quite care for (even if... let's say 1/20 of all players are truely Supports with heart and soul), I could imagine they introduce this even in S3, as long as they like it. But I doubt they haven't thought about that yet, there must be truly some issue. Musn't be a exploit, could be some technical problem.

But you are right, right now the last Utility-Mastery is just meh for support  -  and everyone else, too.