If a certain breed of dog gets a reputation (deserved or not) the numbskulls of society strive to have this dog as a status symbol (for some inane reason.) They think it makes them look tough and they encourage the dog to act aggressively, even if it is basically a nice dog in the first place.
It`s hardly ever the dogs fault that it turns out aggressive. The fault lies with its owner,or the unscrupulous person who breeds unsound dogs usually on purpose, but inevitably it`s the dog that suffers in the end.
What it needs is stricter rules on the breeding of dogs and huge fines for people who flout the rules and also it needs to be monitored to deter underground breeding. (pigs might fly)
The laws on dog breeding, and dog ownership, are imo way too lax. Jmo.
Add: Yes, many of the unsound dogs can find their way into loving households and also with owners who do not know how to handle dogs in any way at all. That`s when the dog becomes a ticking time bomb.
As I said above.....Stricter laws on ownership and breeding, and people employed to enforce them.
Until then, nothing will change.
Gsd owner (uk)