The guy definitely reacts, too. Suddenly bewildered, dropping what he's holding and grabbing onto his cart, stammering for words.

Yondu could probably stick around, but all he offers is a- "Look over that city wall and tell 'em what you see happenin'!"

And the vendor just suddenly seems to realize that Yondu is also very much not normal. But there's too much happening.

Yondu can't just keep facing Yoite while he walks so he wriggles his fingers to get him to come with him, heading off the way he was told. He's going to have to see if the kid has any sort of gesture language he can use. He'll ask when they have a free moment.