Imagine the sequence of events it would take for the TyC story to be true.
Messi and his dad spend 3 days in 4, 5, 6+ hour long meetings with his lawyers, prepare a legal statement saying La Liga's statement is bollocks and that Messi can clearly leave for free at 1.30pm
Then at 2pm La Liga reply saying "you're wrong".
And then at 2.05pm The Messi's have not only decided that's it, the end of the line, they have to stay, La Liga's 2 sentence statement has definitively ended their attempt to move. On top of that, the decision has been leaked to a TyC journalist.