If being ready to die for the cause was the issue, there would be no need for firearms. The issue is how many would be willing to kill.
The "shot heard round the world" was fired to prevent confiscation of arms by the government controlled army. Those who loved freedom more than life took up arms and fought the establishment.
Many accusations were made against David Koresh and the Branch Davidians. We will never know the extent to which any of those accusations were true because our government made these people the target of their disarmament agenda.
They fought and died. The outcome was: government 80 Davidians 4. The Davidians "won". There is no way that our government can sustain losses of 5 percent against an armed population of 80 million.