If they do this a few times they will lower the standard for setting off any alarms. It has happened before and we can see that here they were escorted back onto the plane by TSA agents. Agents who tried to order other passengers to quiet down and stay put.
The passengers that stayed and the new crew that came on were psychologically neutered at that point. Everybody would have been afraid to confront the camel jockeys again for anything short of a full-on hi-jacking. Might be sued or accused of a hate crime ya know. The flight crew might get that plus lose their jobs.
“The passengers that stayed and the new crew that came on were psychologically neutered at that point.”
excellent point