And given they'd apparently posted at least one anarchist-leaning thing, they perhaps imagined this action would drive others to action instead of the boring and less flashy work of coalition building, protests, slow class education, etc. Don't get me wrong, if one is depressed enough to die anyways and can't be convinced otherwise, going out this way is a bit better than shooting yourself in a dark room and certainly takes more courage though it is an act of despair and one born not of hope or genuinely revolutionary activism but desperation, pain, hopelessness, frustration, a sense of powerlessness in the face of a great horror.