The four-month trial for the city’s scooter program ended last week on Oct. 15, so now is as good of a time as any to put the pilot program under the microscope.With history as our guide, having scooters in Chicago’s crowded urban area is a recipe for disaster. There is no training, no helmet requirements, children riding by themselves and people, overall, disobeying the rules and riding on sidewalks — all the necessary ingredients for more of the same collisions we have already witnessed.This program …