Nobody can confirm any of this, so I would say that it is just a rumour.
If it were true, then I can understand why Manly would not want to hold him back from playing his favoured position and offering him an opportunity to achieve that at another club whilst he is in fine form. However, Manly would love to keep him, just that he probably won't achieve the results that he would at another club as Manly would always use him as a utility at either 7,6 or 9. If he played as halfback fulltime, he would easily make half the NRL teams out there and possibly achieve greater than current results as well.
If it were true, then I can understand why Manly would not want to hold him back from playing his favoured position and offering him an opportunity to achieve that at another club whilst he is in fine form. However, Manly would love to keep him, just that he probably won't achieve the results that he would at another club as Manly would always use him as a utility at either 7,6 or 9. If he played as halfback fulltime, he would easily make half the NRL teams out there and possibly achieve greater than current results as well.