I disagree with the youtube poster's assessment as good.
1. The first words of the cop portion of the video are "...called. I'm just checking you out." Fail. Police can observe from a distance. No need to contact anybody. Dispatchers should be asking callers, "What are they doing with the rifles? Are the rifles slung over their shoulders? Oh, well, ma'am, that's perfectly legal."
2. The true test is not how the cop behaves when he gets cooperation. The true test is how the cop behaves when rights are exercised to the limit. "No, offense, officer, but I do not consent to an encounter with you."
The OC movement discovered long ago that some police are totally willing to violate the 4th Amendment while mouthing respectful sounds for the 2nd. If we only recognize when police respect the 2nd Amendment, we leave somewhat twisting in the wind all the non-OCers who receive unjustified identity demands, demands phrased as requests, badgering about why they don't want to answer questions, badgering about why they withhold consent to a search.
The video may show an improvement for Austin PD. But, its not nearly acceptable.
And, who knows? maybe its just that one cop.*
*If generalizing against cops is wrong, then surely generalizing in support is just as bad.