I think part of the point of this plotline was to display how common/routine it is as a method of travel. They focus the whole season on the one instance it we

I think part of the point of this plotline was to display how common/routine it is as a method of travel. They focus the whole season on the one instance it went poorly-- There are multiple scenes that make it clear they were bringing girls in by this method before the incident, and that they continue to do it once the investigation concludes.