I think people shipped her with Klaus because Tyler was always a bit of a jerk does anyone really like him? Ultimately she did sleep with Klaus but at least she spent a good two season saying no and turning him down telling him he's bad person who wasn't worth it. Which is why I don't think it ruined the Caroline…

It didn't assassinate her character at all. Candice flip flops all the time even with the Stefan relationship she was initially against it and now she's all about It. Probably because the producers told her to be. Elena is with friggen DAmon of all people the same guy who wanted to kill Caroline after she turned into…