Yes you were really, honestly fooled. Justice is not coming, there will be no help, and the corruption is so deep it is impossible to clean by organizational, governmental, or judicial means.
That's not an automatic reaction. I'd venture to guess that 99% of those present had never been on the business end of gunfire. Fight or flight is rather misleading. The third option which is the most common amongst normies is to freeze (condition black).
House security. Same as the two that had weapons trained on the main chamber doors.
Sorry, not believing anything that e-thot is saying. Need more sauce.