No. I would delete mine, but I don't want my handle being free to take. I'm planning on deleting my tweets and signing out permanently on the 1st.
Twitter is bad for mental health, political stability, and everything in between. If it died tomorrow (and nothing similar took its place) I would be immensely pleased and I'm convinced the world would be a better place.
Those who continue to actively engage with the service don't have a right to then complain about it, as far as I'm concerned. Enjoy the mud pit, you pigs.