For Ikora, they aren't really being sexist. They just hate warlocks, as always ;(. I cri every day for how underpowered the warlock is in the crucible. Stormcaller just makes up for it in grenade and Melee, but then again we have shadowshot and sunbreaker. Other than being a part of the lore, having Tlaloc or being just a PvE survivor, warlocks are nothing in destiny, except for trials clutches. Most of the time though they can be easily slaughtered as the self res can be one shot by pretty much anything. From the start Bungie has obliterated warlocks to nothing. Warlocks are nothing... Bungie do something about this