This type of story could be told about my own county (though that 911 operator is an idiot.)
We've got increasing problems with gang-based MJ production in a massive commercial scale. We've also got pretty harmless mom and pop medical growers and personal growers. Our Sheriff is pretty awesome at making the distinction between the real trouble and the harmless. The gang growers have made areas in the town seriously unsafe, they shoot at firefighters out in the national forests who are just trying to contain lightening-strike fires, they pollute, they drain the local economy, they attract a lot of seriously problematic people who show up as seasonal pickers for the high pay...
And still the mom and pop growers don't like law enforcement because they're afraid, so they vote the budget down. We've got two cars on the midnight to 4am shift to cover about half the county, because they can't afford more.
So yeah, the sheriff may spend all day busting pot growers and then get a call at 2am and not have a car within an hour of the caller...
Not saying that's the case here but I can completely see this same thing appearing to happen in my area.
If you're going to toke, buy local! Stop buying our weed; funding these illegal operations ruins our county (plus you don't even want to know what they're spraying those plants with.)