I think it's a bit adorable. Even Deucalion doesn't mind making what you wish out of what you have (so long as it doesn't get in his way).
Ooo that sounds exciting!
Castiel, being an angel and able to read at least surface thoughts, ended up with the mentalists job. Deuc is quite persuasive so ended up with the talker's job, selling the freakshow to passers by. (This may be a bit ironic seeing as he can't see the freaks himself (and relied on the descriptions they give him on their "difference") and, being a werewolf, technically is one.