Wolf Park’s red foxes are — like our wolves, coyotes, and gray foxes — not domesticated, but tame. That means their offspring are not born tame, and must be tamed just like their parents were. Since they are not domesticated animals, foxes, coyotes, and wolves generally do not make good pets for most people.
There are already “domesticated wolves” — we call them dogs, and they make great pets! There are also “domesticated foxes” — a line of carefully bred foxes in Russia which were part of Dmitry Belyaev’s “farm-fox experiment“. Do these domesticated foxes make great pets? You can decide for yourself with this interesting article from Popular Science:
Can I Have A Pet Fox?