There are people with money for that but they use their money and political clout to rig the economic system, and yes, they use the military to manipulate emotions in a permanent state of war based on lies!
However, if Emma González was aware of the psychological manipulation advertisers used to make expensive jeans that are torn & disposable seem fashionable she might realize she's being used! Speaking out against violence & for reasonable gun control is commendable! Furthermore discussion about social causes of violence starting with early child abuse leading to bullying and additional violence including shootings is almost never in the mainstream media!