Current State of End-Game Contents - A Blog Post from A Japanese Player

[Kuwagami]

That number would only be true if they had a 100% retention rate. You need to remove everyone who has quit to get an accurate %.

Sure, but it won't go as high as a sufficient number to say it has become "faceroll easy".

Even with, say, 50% of people who left (and assuming everyone who has beaten T5 stayed, which is highly unlikely to be true), 5-6% would become 10-12%, which isn't even remotely close from "faceroll easy" content