Making light or dismissing his remarks don't even occur to Rey at Firo's rather sharp reply. Judging by his reaction, it sounds as though he gets this often. Often enough to jump to his own conclusions about her intent, that is.

"You misunderstand. Am not saying you're incompetent or incapable. If you were, doubt that it would've been standing for four hours, let alone four years."

Rey can discern a success and a failure when she sees one. Firo is definitely not a failure, his youth aside.

"Besides," she adds, "know someone back home who accomplished at lot when he was really young, too. Am hardly one to undermine his abilities, or yours."