Because it riles up the bloodthirsty dogs who are waiting for his whistle. Anything to keep them occupied and hopeful. Attacking and insulting keeps them interested. Even if it is a woman who had been for 19 yeara and therefore cannot defend herself. As the powers that be and its ilk (I don't say "his" ilk because he is inhuman so the powers that be is an "it" to me now and futurely) get off on the hurt and harm the rest of us feel horror at the degree of cruelty still leaking out of the powers that be...the most powerful IT ever known to humanity.
What will IT do/say today to hurt someone? Stay tuned. It should be a doozy. When IT gets irate which is all the time the tweets become fascinating to read recoil at and try not to remember.
