I still think they are because if you remove out story you will notice than win and her group barely did anything
But I think you're right as well she's was a much interesting character when she was a mecha but most of her character in rebellion is mostly obsessing about mashiro which makes...
What's even worse is that I feel like the in this manga feels very unnatural compared to og, is that new characters and even win feel very flat cuz they enough characterization or old guys that have many developments feel sudden or straight up feel that don't matter