I chose either but I would prefer going to a rescue (breed specific not absolutely necessary, they just need to have a husky ). I like the fact that the dogs are in foster homes instead of just a shelter environment so they can tell more how the dog really is temperament-wise.

If they can't rescue all breeds they obviously don't see all dogs as good enough to live.
I really do not think that is true at all. They can't rescue all dogs needing homes its just too many! I don't see the problem in focusing on a specific breed (most rescues I've seen also take mixes of the breed as well). Especially with dogs (like siberian huskies) who are not for everyone and can be harder to deal with than your average dog, it's good for them to be in the hands of those who know the breed and know who would be a good match to adopt the breed. Other rescues might have a husky but not know enough about them to tell the one wanting to adopt them their less wonderful attributes (such as them escaping, high prey drive, etc.).