Actually, our inclusion in a study about extremist platforms caused a measurable spike in "violent rhetoric" among the extreme left
So, welcome home, and Death to America
I know a couple of cops who basically want cop valhalla so I'm not sure that is exactly the line. I think the bigger thing is patience, whenever those mass shooters put out a manifesto they usually have convinced themselves that some sort of class-independant race war is on the horizon. I think the difference for the people on that line is whether they think they can get hired by a police force before that war comes.
Manifesto-writing dipshits just want to do a suicide-by-cop, they know no race war boogaloo is coming, and if they believed in that they would actually want to stick around.