The first two weren't saying the show was perfect, when the third has to interject unsolicited criticism. In the last panel, the hater also does not differentiate constructive vs non constructive criticism. Most fandoms have some level of internal critique occurring, but it's often true that trying to say you like something generally seen as "bad art" will get you to receive unwanted opinions on the works quality. Criticism is fine, but seeking out people who enjoy media just to argue why it's bad is toxic.