"If anyone's to blame, I would say it's Mr. Hardaway, but no use in pointing fingers." That's about as loyal to the captain as Mohinder gets. He doesn't do loyalty without a lot more reason to, not anymore.
Diplomatic negotiations don't interest Mohinder much, and so as long as Gray's not angry with any of them, Mohinder trusts that he'll just find his way off the ship of his own accord, and there's the problem solved. He smiles, relieved.