There is a persistent idea that crossbred dogs are automatically healthier and easier. It is worth being precise about what is true in it.
A cross does dilute the risk of recessive conditions concentrated in one breed's gene pool, and that is a genuine advantage. What it does not do is remove risk. A mix can inherit hip dysplasia from both sides, and a Rottweiler cross carries the Rottweiler's cancer and joint risks whatever the other parent contributed.
On temperament, an unknown cross is genuinely unpredictable in a puppy. What the other half contributes — herding drive, terrier reactivity, sighthound flight response — will not be obvious at eight weeks, and it will matter enormously at two years.
The great advantage of a mix, and it is a real one, is that most come through rescue as adults. An adult dog is not an estimate. You can meet it, watch it with other dogs, see how it handles a stranger at the door, and know its actual size. That is better information than any breed average, including this page.
The Akita's ratings are a description rather than an estimate — but you are reading them about a puppy whose adult opinions have not formed yet.