I don't believe so...
How much has 5DII dropped in price since introduction?
IMO they wish to sell more cameras, and for that they must make it appealing to more enthusiasts who will wish for FF. Pros and consumers alike are more than burned by economy and buying fancy cameras is reserved for only those who need new gear for more than just games.
Price should be lower for them to achieve that. also tech they will probably upgrade it with is way cheaper today than it would be few years back.
Oh and it would be smart to call it 6D! People would be fooled it is WAY way better.