The organizers were in good faith. It looks like a trap set (probably in revenge for their defeat in courts) by the politicians, including Black Panther anti-White Wes Bellamy.
Unite the right was promised protection and made plans with the police for the running of the rally. On the day the police did not provide protection and let antifa (known for violence) run wild. They forced attendees to run a gauntlet of anifa animals (who threw urine and feces along with rocks, batteries and other things). Antifa had clubs and sticks (why were people with such weapons allowed in the rally area?). The police did nothing to help victims of antifa violence.
They made it difficult for organizers to move in equipment and bring in speakers, changing the agreed upon locations for this access. They blocked access to the PA equipment before (but likely in preparation for) the emergency order.
The declaration of a state of emergency was called around 11am, long before any real activity and certainly way before the car incident. This order was typed up and ready to go and likely was prepared much earlier (probably after their loss in court).
On the order to disband the police again forced attendees through the gauntlet of antifa. They sent in riot police to the rally area while still letting antifa roam free.
Simple organization of the police (as worked in places like Pikeville, where many of the same factions met before) keeping the factions separate and allowing safe paths of entry and exit would have allowed the rally go off peacefully.
What frightened the authorities was the idea of one thousand Whites peacefully (if a little loud) gathered to hear various speakers. All of those speakers wanted to speak, not take part in a street brawl.
In May, many of the same people, numbering around 200, met in the same place. That event was entirely peaceful. The difference was it was unplanned and thus had no antifa and no polic ‘help.’ They have had few events in DC, again peaceful.
The problem is the vicious and anti-White antifa. No antifa, no problem.
The problems at this rally were because the authorities wanted it that way, they planned it that way (probably with the media who were ready to report it), they made sure it happened that way.
Not a false flag just that the power structure (which includes many Republicans) was working against White people asserting any identity. Black lives matter does not threaten or frighten this system, organized White people do.
If there is a false flag element it is that antifa (whether they know are not) are part of that system. They create trouble which means people are disinclined to go to rallies, and the trouble antifa cause is a pretext to shut them down.
The Trump supporters who have been attacked at various rallies are not false flaggers, neither were unite the Right. However they system hates and fears both equally.
You should tell that to Jason Kessler who organized the rally for Unite the Right. He proudly displays KKK hashtags on his home page and twitter pages.