Because this gave zero notice to millions of people who were interested in her decision. When so many are interested, it's traditional some notice when an announcement will be made. Now folks will hear the news from every imaginable source, in every imaginable way. Many won't believe it at first.
Bad manners, and I don't buy any nonsense that it's unique and wonderful and anything special. Just bad manners.
Well said. She is clueless and this proves without a doubt she was never up to the presidency.