I think you’re right. For the rush to be successful, it would have to be coordinated and include maybe six determined people.
Small town Oklahoma, this weekend....drunk walks into a dance in the old gymnasium, with gun and starts pointing and threatening to shoot...he was rushed and taken down....only wound was on the local deputy that was treated for injury to the webbing on his hand where the hammer(revolver) came down...unsorting the 6 man pile took a few minutes.....true story and no mention of it anywhere...just "local business"...