Shadebinder Warlock only has 1% usage and Osmiomancy Gloves have 1.6 % usage. So Bingo is nerfing osmiomancy gloves while prismatic hunter sits at 36% usage. More than all Warlock or titan subclasses combined.
I would be less annoyed if they buffed any of the other parts of the kit. If I had to guess a dev went up against a mildly competent Shadelock and decided it needed a nerf.
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cuz spoiler, they are broken inside pvp, remember usage % some times will not show how broken something is, 340 pulse rifle were broken for 2 years now, but only after tfs people started crying about it , atharys are broken but a very low number of players use that exotic