“when Humvees with snipers on their roofs rolled into camp, a helicopter buzzing above them.”

“Officers wearing military fatigues walked through the camp with assault rifles and knives, ”

There were helicopters, but no snipers. Those were officers with machine guns on the Humber. And those aren’t assualt rifles but rather machine guns. Actually more powerful than assault rifles that are only semi-automatic.

So the author both over inflated and under inflated their description of the response. Which was way more overpowered than required for the eviction.