I can't find much about this gig online, but the Setlist.fm page lists this as a 'private event' for Amazon Web Services.
AWS is not the part of Amazon where employees have to piss in bottles. It's their cloud hosting subsidiary, and the most profitable part of the company. I also can't find any mention that it's just the executives of AWS either. It seems more likely to me that this would have been open to the employees of AWS in general as it is the most profitable part of Amazon and the crowd in the pictures seems quite big if it were only made up of 'AWS executives who like the Foo Fighters'.
Oh no!
uBlock Origin updates
Anyway...