the name of the insane trait has been changed in today's update

I'm a little bit baffled as to why they did it. Players have been complaining that Sims 4 is too bright and happy for ages, and that they want more grit. Changing Insane to erratic seems like a step in the opposite direction. Besides, an 'erratic' sim makes me think of someone who runs around and can't keep still, and is always doing things. Not someone who hisses and talks to them-self. Personally, it was fine as it was, it didn't allude to any mental illness specifically. I'd throw this change in with the fact sims don't touch when they kiss, and there's no proper slap animation. I'm not annoyed at the change itself, but I am annoyed by the direction it seems to suggest Sims 4 is taking.