Finishing off his donut, Tony leaves Bucky to his own thoughts for a moment. Not even giving an outward reaction to Bucky admiring he'd like to return to their world.

"I think I could put easy money on that being everyone's wish, Memento."

Of course he has at least a vague idea that there are people here who couldn't or wouldn't want to go back to their worlds for various reason, but he's very much counting them as outliers.