hmmm....they both have "the grace of state"
And the Pope says: No, +Fellay does not have any grace of state whatsoever.
The SSPX has no canonical mission.
(see Benedict XVI, Letter to the Bishops, 9th of March 2009).
And +Fellay says: The Pope is trustworthy.
Conclusion: +Fellay should trust the Pope and draw the consequences.