Premise: Although Foreign Secretary Boris Johnson led the Brexit campaign, the ministry itself is seen as firmly pro-Remain and Eurosceptics would be aghast if it got more power over continuing negotiations with the EU. One source said keeping the Brexit department after Britain formally leaves the EU would send the wrong message to voters, given Theresa May’s pledge to take us out next year. “You can’t have a Department for Exiting the European Union after you’ve exited the European Union,” said the official. “We have to give people concrete evidence that we’ve left the EU."
Hypothesis: The context does not quote any officials