This does not mean that they show unwarranted aggression, though. (second-opinion-doc.com)
I've been less pleased with the average Akita, or Shiba Inu, because of unwarranted aggression, though I have seen good ones. (samthedogtrainer.com)
This tends to correspond with growth spurts, so owners may see some «flaky» behavior or unwarranted aggression, like becoming protective of toys or territory. (thesprucepets.com)