You will either understand that the following statement is a real possibility, or you will deny it because you don't understand psychographic profiling. Either way, don't ask me for the smoking gun proof. It works well because there is no easy smoking gun proof...

(...)
With that being said, please consider it possible that the sudden dramatic increase in frequency of spree-shooter events (even by US standards) is intentional aggregate triggering of pre-groomed psychos who were originally identified...

...via Cambridge Analytica-style microtargeting & psychographic profiling, curated over time, made sure to have access to firearms, and are now being "set off" like placed explosives against our nation.

Identification of these very dangerous types of people (the "dark triad" of personality traits) via online acticity was pioneered and grown into a sophisticated science by researchers in St. Petersburg, RU with the aid of Alexander Kogan's research.

Google these things. You will see the pieces and be able to view the larger picture.

This is planned, armed, intentional retaliation upon us via not-very-precise "weaponry" which has been very carefully developed over time. It's fuzzy for deniability sake, but it is very real.