Looks fulls to me. That guy low balling it.
The capacity levels.
“Capacity Basketball: 9,828
Ice hockey: 8,642
End stage: 10,500
Center stage: 10,600
Eclipse: 4,276”
https://en.wikipedia.org/wiki/Berglund_Center
Standing takes much less room than people sitting people.
Red when panning the room about one third were empty seats, however after game said alot more coming in !!!!!!/