Ophelia was relieved to see another moogle. Still appalled by this other hero's lack of manners though. Or at least overt pushiness. She was about to respond, before Vincent spoke and beat her to it.

"Not here. They wouldn't appreciate any damage." He also wasn't inclined to show off, just to satisfy someone else's curiosity. Whether they were knowledgeable or not.

Besides, without an introduction, how were Vincent or his moogle to know MarKus was anything other than a curious, obnoxiously grabby brat?