The look Ronan earns for his trouble with that remark suggests that knocking him out isn't entirely off the table— but also that he's pleased. Which he is. Both by the way Ronan holds his gaze in unapologetic challenge and the way he eventually yields it.

He swallows the defense aching to burst free, deciding that spending too long explaining why wearing his helmet isn't hiding, actually, will likely have the opposite than desired effect. Instead:

"It seems we're all famous here. Doesn't it. I wonder which of your exploits caught our hosts' attention..."