All that has been clarified is that if your team captain kicks the ball into his (or her) own goal then you will lose.
We have learned that most of our MPs are liars (see manifestos). And that the EU bureaucrats are even more unpleasant and antidemocratic than we imagined.
I still have no idea what leaving the EU could be like. And I have no idea how much extra the NHS might get. (Apologies to all those people, and there seem to be very many of them, who have crystal balls and do have this knowledge. Why didn't you make a killing at Cheltenham though?)