What do you mean wait for it, it's already happening. Sage war is split into tiers by levels, on S17 we get 60-90 in top tier lvl 77+, then another 60-90 in lvl 70- 77 range, then another tier under it, etc.

I guess the issue here is there is only 30 people total doing it, so you all go into same tier, which is not really good for weaker players in it but what else can you do on emptier server.

There is no change, sage war has always been split into multiple instances as far as i know. And what do you suggest, have all go into 1 where it's lvl 80s vs 40s. The only possible good change i see is make it split fields by power not by level, which is how it currently splits.