User blog comment:Braumissomanly/The current meta and why it sucks...a lot/@comment-24377865-20150408222345/@comment-1330314-20150408223057

I think the phase-by-phase progression is mostly related to patches (V5.5 brought about the era of tanks, for example), but I feel even in a perfectly balanced environment we would still have phases in the meta: whichever dominant strat would eventually be countered by an effective counter-strat, which would then become dominant and be countered by its own counter-strat, and so on. Ideally, this is how the game should progress on its own, but since the game isn't perfect yet, we need some patch-based nudges to keep the meta from stagnating.