Earlier quoted context omitted.
It is not reasonable to hold someone accountable for doing something illegal in 2020 that was only determined to be illegal in 2025. The police officers applied to a judge for a warrant. The judge gave them the warrant. Now another judge says that the warrant should not have been issued in the first place. How is that the police's fault? How would you hold them accountable?
This is the basic idea of the good faith exception to the exclusionary rule. The exclusionary rule was supposed to deter police misconduct (e.g., searching a house without a warrant, thereby violating the Fourth Amendment) by preventing them from using evidence they never should have had. But the deterrence rationale doesn't hold up that well when the police reasonably (and that's key) believed that they were acting…
And people wonder why American's are apathetic to it all. A judge can just wave away constitutional violations all day/every day because 'good faith'.