Auto-translated
Being a member of the ruling party, which subjugates Europe, is an honor. For any gathering, party members always wore a uniform or adorned themselves with identifying swastikas. The uniform itself is a sign of distinction, belonging to the higher caste, which separates ordinary German rabble from a superhuman. To attend in completely civilian clothes is like going to a banquet in an orange jumpsuit. There is nothing wrong with being photographed with COMPANIONS; often, people themselves were photographed with great pleasure, being in high spirits. Although, what can be seen in that photograph is clearly a random snapshot.
I highly doubt that anyone was drinking to the point of vomiting, especially with a more interesting ending to the evening. After all, these are not freshmen behind the garages downing three shots.