Ahhh, but it is based on a domestic violence call. You don't know if someone was in danger. There is more to the story than we know, and it will cause wasted taxpayer money as lawyers argue if unlawful is unjustified. If the man was going to kill someone, do you wait for a warrant. We don't know the story, and his partner probably rejoined him to go after the cops. Again we don't know.
The case upon which the law was based is not a particularly good case IMO. The basic premise I think is. YES, it puts police in a bit more danger. However, if it causes them to pause before a situation