Night Sister Nerf a Disgrace

It makes absolutely no sense why they have nerfed the NS due to a glitch that only occurs when you have a 7* Traya. Seriously where is the issue?? If you have a 7* Traya then youre only playing for the gear, the only people suffering here/being punished, are those of us who havent got any TRAYA shards. This nerf to NS wouldn't make a difference to us as we don't have 7* star Traya. Seriously what are they thinking. I'm absolutely disgusted with this.