Quote Originally Posted by Blue_Planet View Post
Players who use the roulette consistently find themselves assigned to A Realm Reborn content, which can lead to a sense of monotony. My assumption is that this is due to a significant portion of the player base having not unlocked the later alliance raids from expansions like Heavensward, Stormblood, and Shadowbringers, as these raids are optional for main story progression.
90% of the time I get Crystal Tower in the Alliance Raid roulette, there is either a first-timer or someone under Lv.60.

The former are one of the reasons the roulette exists in the first place. The latter couldn't do any of the other raids even if they wanted to.