OK, let me see if I understand this. In Jan 29, 2016 EA said: "Our estimate is 55 million units out there, which has exceeded virtually everyone's forecast for the year" and by that time SONY had said that they had sold 35.9m units. which means that, if EA's numbers were correct back then, the Xbox One had sold around 19 million units.
So now they're telling me that in the next two years the X1 sold only 10m units. When we already know by the NPDs that in the last two years the X1 has sold at least 8m units on the USA alone.
Looks to me that EA doesn't take their own estimates very seriously.