Anti-vaxxer beliefs aren't caused by people questioning the first medical advice they get from a medical professional when it doesn't sound right to them. Anti-vaxxer beliefs come from either not verifying and going with your gut, or verifying and then ignoring what you've learned.
Doctors are humans and make mistakes sometimes, and your own health is your own responsibility. So is safety of your own application, so you shouldn't plug in someone else's crypto if you don't feel comfortable with it, but instead try to understand the domain as much as you need to start feeling comfortable.