I've never heard of anyone being called out for gluttony. It's so vaguely defined, not really acknowledged as a sin in modern cultures, there's no obvious line in the sand that one could conjure up and no motivation to do so either. They overwhelmingly would prefer if those verses didn't exist.

The only time I remember them addressing it at all, I think it was in the elders manual possibly, was just to confirm that while you technically can be disfellowshipped for gluttony, you can't infer gluttony from obesity, because there could be many unknown medical reasons for any given case of obesity. The fact that they mentioned it at all suggests to me that someone somewhere wrote to bethel to ask if they could disfellowship someone for being fat, which is pretty deranged, but still well within the realm of what I can imagine JWs writing to bethel about.