Review Detail of Yami_Sensei_25 in (Is being rewritten in another novel.)

well that's cause of obito he will just literally try to kill everyone ... in the original he wanted to escape the reality that Run died so hence he got Kamui(a seperate dimension) + he wanted to put everyone in a genjutsu so he can live with Rin in that world . but if rin survived and fell in love with someone else he would go crazy and be on a Murdering Rampage

Although most people don't express it, Rin isn't exactly seen in a positive light in general. Setting aside that she was pretty, she did mess up Kakashi's and Obito's lives albeit indirectly. So, not exactly the most popular of characters. And almost all fanfics show Obito in a positive light pre-Madara and even post-Madara, he has a lot of fans, so you rarely see a fanfic where someone's gonna steal his love interest.