This is from the live letter, translated into English by Square Enix:
It also includes factors like death limits which is what they tend to put on "high-end" versions of content.Originally Posted by Naoki Yoshida
They confirmed that their intention was that we would figure out optimal or "braindead" strategies and then begin carrying first timers through - because that's what happens with a lot of high-end content if we're honest. But their intention was not achieved due to the entry system issues that made it hard for pre-formed groups to even get in together and made them play instance roulette and wait ages for a weather.