"The Leave campaign has no plan" comes from the aftermath of the vote. There has been a serious lack of leadership from the Leave captain, and a lot of backtracking on promises.

I was expecting Boris or Farage setup a great press conference telling us what they were going to do starting by requiring Cameron resignation, appointing guy X and Y, start a task force to do Z. A message for the market. Even banter like saying they would ask all the European in the UK to register somewhere, tightening the border controls, suspend the naturalisation or permanent residency demand coming from European people, ...

It does not matter about the content, as you said, I would probably not have liked it or found it reasonable. But at least it looks like the guys were a bit prepared to win, that they had put some thought in at least maintaining the appearance that they would push for the stuff they promised or for something.