There is a disgusting woman in my community who has one of these - and I don't even remotely feel bad for calling her that, she is a horrible person and routinely spouts abuse & threatens violence against anyone and everyone who has the displeasure of meeting her.
Her dog is allowed to freely roam in the streets/parks/playgrounds where I live. She doesn't walk it, simply let's it out the front door of her house to do whatever it feels like doing. It has chased people, tried to attack small children and other dogs. Nearly been hit by cars multiple times on a daily basis.
Numerous members of our community have reported the dog to the council, the dog warden, the police - no one gives a shit or will do anything about it. Always the same excuse of "Well we came and had a look, but the dog was no longer there when we arrived" and "Well it isn't actually an offensive if the dog is simply roaming the streets". Totally ridiculous. Only a matter of time before it properly attacks someone and I will 100% blame the totally inept council when that happens - they've been given enough damn warnings about this dog over the last year. It will happen eventually, only a matter of to whom.
Can't even report to the RSPCA either as they claim allowing the dog to freely roam the streets every day doesn't count as neglect, therefore they have no need to investigate.
I almost hope someone hits the dog with their car because at least that would solve the problem. Unfair on the dog of course to be owned by such a terrible excuse of a human, but no charities or animal welfare groups will take responsibility for it either. Given the dogs behaviour I find it nearly impossible not to assume it's being abused by the owner at home too.
The entire situation is insane.