If Blue is upset by it, he hasn't said anything to him about it. As far as Sam knows, he's just surprised and confused by the whole thing, just like he is.

"Something like that, yes." He's a little annoyed that them being strangers to him isn't mutual (not he'd ever say such a thing aloud unless pressed, he's too nice), but with Raihan at least they can start on a truly blank slate, without any prior expectations. Or at least something closer to a blank slate, considering his own celebrity.