It makes sense that she'd quit, but why she would make a video about it I'm just not sure. Clearly, she's looking for more attention, but like you said, the negative reaction may not be worth it. I don't think Twitter is a good idea to begin with, but some people feel the need to share every detail of their life with the world. I can see it being used by businesses or companies who want the public to know of each move, each update, but I just don't understand its purpose in somebody's normal everyday life.