Do you think Kaner KNOWS that people are always looking at him like that? Do you think he even notices? Or do you think he just goes around in his dumb, happy daze and never realises the way people just hang off his every word and smile and glance.
Dude, that would be a huge deal. Impartial recordings of Bucky existing as something other than a weapon, a killer…something that he can see and refer to if something ever happened. If he ever got lost again. No wonder he looks happy.