Animal rights absolutists are certainly against animal studies and protest them. There just aren't that many of those people.
For the rest of us, the horrific experiments are theoretically in the service of reducing human suffering. A hundred mice to save a human seems like a fair trade (although the real ratio is unknowable).
For the rest of us, the horrific experiments are theoretically in the service of reducing human suffering. A hundred mice to save a human seems like a fair trade (although the real ratio is unknowable).