If they're sensitive to cultural cues, yes, it would be. Then again, if the point is only to look like we blend in, it's less important to know nuance outside of what's considered appropriate in public, I guess? Performers and the idea of the carnival itself would forgive other odd behaviours...

( He trails off as he considers this, but more of his point of view comes out of traveling to various countries all his life and trying to learn some of those different cultures while largely being a time-pressed outsider. He's there and gone again so fast it doesn't usually matter, but it's what he enjoys, the surprise of what he learns, and the enrichment from all of it. )

... Which reminds me, how long does the carnival tend to stay in any one area? Or... ( he sighs, laughing a little afterward. ) How long does it stay connected to any one place in particular, from what you know?