No, that's because Ubuntu uses telepathy-gabble 0.8.x which doesn't implement the ContactCapabilites interface. If you use telepathy-gabble 0.9.x the file transfer menu item won't be sensitive for contacts not supporting file transfer, including the Facebook ones.
No, that's because Ubuntu uses telepathy-gabble 0.8.x which doesn't implement the ContactCapabilites interface. If you use telepathy-gabble 0.9.x the file transfer menu item won't be sensitive for contacts not supporting file transfer, including the Facebook ones.