Xavier certainly has zero real bar to judge the human by, in the end. He's happy to turn his attention fully to Sam, and maintains the self-same distance at that.

"Negative, I am sorry. I am FH-76854-XVY." That... explains some things, maybe, and yet it really doesn't explain anything. "I have been searching for Pieces, but I am forced to conclude that this location is completely separate from where I was."

... yeah, this is a conversation. Sorry, Sam.