You need to look again. Your description of events comes from halfassed media explanations by people who are not good at geometry, bikes, cars, or anything else. For instance how and who on a bike would try to cut off a full-sized SUV? The SUV REAR-ENDED the first bike.
“For instance how and who on a bike would try to cut off a full-sized SUV? “
It’s called brake-checking. A well know illegal maneuver by bikers and street racers. A few years back a Harley rider decided to brake-check a motorhome. He lost his life. Motorhome driver was not charged.