Firo may not get one hint, but he likes to think he can get two if he’s really trying. For whatever reason, he supposes Roland wants the topic of his leadership dropped, even though Firo can't fathom why. It was a compliment--one of the highest ones!

He shakes his head roughly to get his brain back on track. “Right. You don't think we coulda' missed anything in here? Secret doors or whatever?"

It's only a halfhearted suggestion, as he doesn't even really want to do too well at their job.