That will work until we have to pass thru a metal detector just to get into the movies.
That would not had affected this situation. The theater did not secure the exit doors by either passive or active monitoring of their use. Security measures exist to monitor or alarm these doors as well as the software to indicate an out of normal opening or closing of these doors. As far as the taping over the strike, additional measures such as magnetic latches would also have prevented this from happening. The theater owners are in deep legal trouble on this.