Contrived romance.
I think it's amazing that at the end of the day, Will broke it off with the hottest girl at school because his friends are needy. They weren't happy about Will finally fitting in and Layla was extremely jealous because she wanted him for herself. She didn't deserve Will, she made no attempt to ask him out or flirt, she just assumed that because she knew him as long as she did, that he would just be into it. I think a far more fitting end to the movie would be Gwen's redemption and realizing that she already has everything she wanted in her initial school life e.g. technomancing was seen as a hero ability and not a lame sidekick power, and she was as popular as she could have asked for and would have had the kind of guy that everyone wanted and then undoing her evil mission, and trying to save the day alongside Will, and having an actual romance blossom out of that.
To all the Layla fans, I think a much more suited romance for her, would have been Warren. They complement one another's personalities as well as powers, and actually had chemistry unlike Layla's supposed chemistry with Will.