If I'm not a professional and I hurt someone while trying to save their life by doing something stupid, that's understandable ignorance.

If a doctor stops to help someone and hurts them because the doctor did something stupid, that is malpractice and could get them sued and maybe get their license revoked.

Would you hire a programmer who refused to learn how to code the claimed "good faith" every time they screwed things up? Good faith shouldn't cover willful ignorance. A cop is hired to know, understand, and enforce the law. If they can't do that, they should be fired.

It's not exactly the same imo, since GS laws are meant to protect someone who is genuinely trying to do what a reasonable person could consider "something positive"