As much I've always wanted to see one of Ash's female companions to enter the league as well, I'd pretty much be furious over it for such poor writing, but still continue watching.
It'd be awful, really, but at least we know for sure that it won't happen, considering that the scan with the league competitors already has been revealed. However, I wouldn't mind if the writers actually had made Iris a badge collector like Ash from the start, resulting in her also participating in the league alongside Ash in the end. I'm hoping for that to happen with the Gen VI girl, but as always it'll surely not happen. :<