Aren't you lot overreacting for a simple picture? He's no English Ph.D. I've had to deal with illiterates my whole life (Diego is such a manner of person when it comes to English. I'm sure his Spanish is perfect.), I know how to read illiterate, he doesn't mean he's leaving.
What's disconcerting, however, it's him being left out last night, but there are a million possible answers to that.