Great events/lineup but the venue just isn't up to...

Great events/lineup but the venue just isn't up to scratch. Slow entry (queued for 30 minutes outside despite being on guestlist and venue not being at capacity once we entered), queued for 30 minutes at the bar before leaving unserved in frustration, as the girl serving purposely started ignoring us in favour of other patrons. They had three people serving behind a bar not set up to handle the busy May bank holiday weekend. Three deep crowd behind me as we left. They're probably still waiting for their drinks now.