A beta would do exactly what Will did...which was laugh at the joke, look at his wife and then "react" based on her command.
An "alpha" would have pulled Chris aside and handled that shyt backstage or at the after party.
He didn't laugh at the joke, that was the laugh like I'm about the slap about shyt laugh which is exactly what he did, if you don't know that face, you not black "joe biden" voice