Years ago I witnessed a similar circumstance while at Cabaret (with Molly Ringwald). I was also impressed with both the cast and house staff's swift and professional manner. I was told at the time, that they actually rehearse for these emergencies. I do not know if this is true.
I was also impressed with how smoothly the show went back to business as soon as appropriate.
If we're not having fun, then why are we doing it?
These are DISCUSSION boards, not mutual admiration boards. Discussion only occurs when we are willing to hear what others are thinking, regardless of whether it is alignment to our own thoughts.