The number of guilds that managed to get N anduin down before mythic week started is actually very similar to the number of SoD CE guilds and only 117 managed it on H. All it really did was make RWF more interesting because of not being able to come up with strategies for the last 3 and make it harder to go into it w 4 piece.
https://wowwiki-archive.fandom.com/wiki/Icecrown_Citadel_(instance)