> Traditional breeding is notoriously bad at avoiding genetic defects and temperament problems. Mutts avoid a bunch of those. A large number of mutts are also

> Traditional breeding is notoriously bad at avoiding genetic defects and temperament problems. Mutts avoid a bunch of those. A large number of mutts are also either born or placed into bad situations and end up developing social and temperamental issues as a result, which become increasingly difficult to overcome the older they get.