First she tries to thank him? Even thought that’s not why he stepped in, and when he suggests she get more training if she can't handle it herself, she blew up on him? Whatever, Pokemon like that he didn't need to waste his time on.
he knew his own team, his own master felt differently, lesser about him because he was ghost, he could take it from them, they didn’t treat him cruelly, but he DIDN’T need to take it by some rudely wandering pokemon who were over sensitive.