It is totally possible it really is as simple as that. Messi wants to stay, everyone is comfortable with it, but the deal is just too 'complex', and it will get done at some point. And the media are claiming what they know/think to be the case, and it will turn out they are right.
It is totally possible also the media are claiming that because they have absolutely nothing else than the politically sensitive claims Laporta had made and not changed from, and in the absence of anything at all from the Messi camp, that's safest to run with, and somoene has to run with someting as the silence is deafening.
I find it strange that there has been nothing at all from so many journalists that had access to the messi entourage the last time round, even to just agree with the barcelona sources. I find it strange that Messi would have made zero effort to calm the situation, hint to his cule fans that it was all ok, or (as someone on here pointed out some time ago) even publicly congratulate/welcome his best mate signing for his club.
Just saying.