Even paranoids can have real enemies.
Social contagion is how these mass casualty shootings are organized and instigated. No direct contact with the shooter is required.
Till the fields, sow the seeds, wait for seasonal rains, and watch the crop come in. The individual stalks do not matter very much and are not predictable. But at the end of the summer, there is a harvest available.
All very well put. After Uvalde, only the slowest of the slow on the uptake will still believe that local, county, state LEOs will be there in any real or timely way to protect them when Bad News Incorporated comes to their neighborhood (uninvited).