What Made Boris Johnson Flip?

Boris Johnson (2016-02-07):

Leaving would cause at least some business uncertainity, while embroiling the Government for several years ina fiddly process of negotiating new arrangements, so diverting energy from the real problems of this country.

EU Citizens in Britain

Call in question (00:00:59) of a EU citizen to Boris Johnson: “Do you regret luring people into a false sense of certainty that their EU citizens’ friends, family, neighbours will be secure in the case of Brexit?”

Shocking? It’s Boris Johnson. The answer was evasive.
What else can one expect?

(You also may want to try https://threadreaderapp.com/thread/1084857433577664520.html. However, at least when I tried to use it, some images were not displayed.)