It doesn't seem like crossing between breeds would exacerbate negative traits of either parent's breed in the offspring; in fact, mutts tend to have greater vigor (the celebrated "hybrid vigor") than purebreds. If I had to choose between a random purebred or someone's idea of a named crossbreed...
CMC7, that's an adorable pupper, no cap. (I have a teenage son, the lingo filters lol).
It's disheartening that so many people used this thread about OP getting a new family member to trash talk AKC, BYBs, "designer dogs" and every other d****d thing under the sun relating to dogs. Folks need...
People sell mixie-poo dogs for a lot because other people PAY a lot for mixie-poo dogs.
See also Teddy Ruxpin, Beanie Babies and the latest Xbox/PlayStation, etc.
I prefer rescues and strays to "bred" dogs, but that's just me.
A gratuitous pic of my German Husky (Siberian Shepherd, maybe?):