'Richard Dawkins does not exist' – why are Twitter users oddly vanishing?

Apparently Richard Dawkins does not exist – which is awkward, given everything he says about God.

Dawkins is one of the latest Twitter users to have “disappeared”.

Although messages about people not existing on the social network are legitimate when users have deleted their accounts, recently there has been a spate of tweeters being erased. These disappearances – without warning – can cause sudden panic and in some cases existential crises.

This happened to me this month. The only reason I didn’t fret was that I had seen other people tweeting about it over the course of the past few weeks. A few minutes later, I reappeared. Phew.

Some users, however, have been alarmed. I imagine them spreading their hands out in front of them, checking flesh and bone: