I'd wait half an year for them to fix it, if only they would state that they are working on it and their goal is flawless responsiveness. Not partial fix, not workaround by nerfing bosses, but truly flawless responsiveness.

If they choose to stay silent about this, for the next two months (when my sub runs out), then I guess they aren't going to do anything about this, because they simply can't, at least not without remaking it into 3.0.