What does it take for a SANE, BALANCED person to decide to pull the trigger and fight a war of rebellion?
The declaration of independence gives a list of abuses that resulted in the colonists’ decision to go to war against their own government. Severe financial, property, and liberty abuses, and finally evidence that their own government was covertly killing its own citizens via some of their native American alliances gave justification to the revolution.
They became convinced that their own government intended them active harm in every area of life, and that good was not a part of their plan at all. Death was part of the plan.
That’s a pretty high bar to cross when facts and truth are held in highest regard.
We have not reached that point yet where all of those abuses come together.
That makes shooters who claim justification either insane or irrational.
If their family or friendship group has actually been injured by terrorists and they go after revenge, that is different. It is not rebellion or resistance. It is vengeance killing. That’s actually understandable in some cases, but our law considers it to be murder.
And especially when the murder victims are not the ones who killed their loved ones. Intentionally Killing innocent people will earn blood guilt, and capital punishment is justified.
They believe “climate change” will kill millions.
Conservatives believe abortion has killed millions.
Not hard to find justification for going to war if you want to find it.
The last two left-wing shooters I can remember in the U.S. based their rage on wanting new tax brackets and wanting same-sex marriage. Those would be among the weakest of all motivations for political violence.