Sure, but that's also a trope used for like a lot of romantic development between different characters lol. A lot of stories in AVNs and other media where someone is trying to use a person to make their partner jealous/get revenge and then genuinely starts to like them. Kate being a potential LI wouldn't be something insane.Kate is a trap in Bella's path and nothing more.
Her task is to seduce Bella's boyfriend to avenge her beating at school, then she will leave him as unnecessary.
If you are not in Bella's path, then Kate will not show any interest in you, she is not interested in you as a boyfriend.
Ocean has repeatedly explained Kate's role in the story, but the players keep coming up with their own scenarios.