Could be worse, my neighbor takes in every dog or cat they see. They had alot of fun slaughtering our chickens, ducks, turkeys, and rabbits. Even went as far as hiding the evidence at times. Never once offered to do anything about it. Now when a neighbors dogs were chasing his horses, suddenly it was.....different. I think they have 8 or 9 dogs now. Several small ones are in a pen, the rest just roam as they please. I put alot of effort and expense into a fence to try and keep them out. Not sure how many have been hit by cars, but keeps the horde numbers down. One is a little Boston Terrier that barks at everything, it slips easily in and out of the fence. Of all of them its the one I hate the most. If it were to disappear, I would automatically be blamed. They even blame me for ones hit by cars. One got run over a couple Thanksgivings ago while they were out of town. I buried it, but then I was hiding the evidence of shooting it. So I learned, now I leave them to rot in the road in front of their house. Animal control does not exist in the sticks.
As for animal control releasing dogs. Some say it would never happen, depends on how lazy the guy doing it is. And would be difficult to prove without video evidence, so not a whole lot of liability.