" I left Nickelodeon recently because I needed to move forward with my life," she wrote on Reddit. "I don't believe people should attack me because their image of me is destroyed after I post a harmless, sultry photo." Nearly two weeks after Nickelodeon canceled Sam & Cat — and Ariana Grande posted a lengthy statement on Facebook — co-star Jennette McCurdy has finally spoken about the end of the Dan Schneider comedy. In contrast to Grande's thoughts of gratitude to the cast (without mentioning McCurdy directly), crew and fans, and her explanation for how she looked up to her onscreen character as a role model, McCurdy's reflection, posted to Reddit on Thursday, reads more as a defense. In fact, her opening lines read, "I am not a role model. I don't claim to be, I don't try to be, and I don't want to be." "This world is one seemingly most keen on judgment and negativity, despit...