You are ignoring the fact that the woman called the cops to come to the apartment.
You really have to go back to first causes ~ why the cops are there. They are there because they were called by a citizen who is otherwise lawfully possessing her abode and she said she wanted help.
Br'r Barnes had no right to interfere with her right of access to the cops. He had no right whatsoever to demand the cops leave.
That's the whole issue. That issue will be brought up every time there's the slightest challenge in court to the application of this particular law (the one just passed).
No, just because you call the cops that does not give them the right to enter your home. They asked for permission and were denied that permission. The man did not interfere with her right to access the cops. The cop’s first encounter with the male Barnes was in the parking lot. They had no probable cause to enter the apartment, which is why they asked for permission. He did not demand that the police leave the doorway of the apartment he only denied them access. The wife did not grant the police the access so he defended it.
The cops were wrong and the Supreme Court was wrong. The legislature corrected the court mistake.