I understand he wasn't arrested. Is it still resisting arrest if you're not actually under arrest? I suspect that even in the US it's not yet technically a crime to choose to be about your lawful business rather than do whatever a police officer tells you when you're not under arrest.

There are an endless number of unbalanced and sociopathic people in the U.S. who believe they're entitled to argue with the police

There are also an endless number of balanced individuals who are entitled to argue. Everyone is entitled to argue. The police aren't magic. The police aren't gods. The police are (but should not be) above the law.

And the solution to this so-called police "brutality" is to simply be respectful, stop talking, and follow directions.

And the solution to being raped is to stay at home and never go outside? The solution to getting shot is to hide under your bed twenty four hours a day? Or is crime only acceptable from police officers?