It’s not only that, it’s the compounding factors. She’s also best friends with Johnny who was on like season 4 or 5. She’s also happened to be obsessed with the show. In my opinion, it’s clear she tried to come in with a game plan and her best friends even kinda confirmed it saying “oh well everyone makes a game plan to win the money”
i feel like love island isn’t about the money as much as big brother or survivor like u said but love island is def better for growing a following for influencer reasons, and cierra was already an influencer before like she could care more about boosting her fanbase while having the chance to earn money too