I didn't read the parents comment as trying to make a point of nationalistic pride, but to frame the US in the broader international context. There are a lot of countries in the world. The majority of which rank below the US on measurements of corruption, and many on police violence.

https://worldjusticeproject.org/rule-of-law-index/global/202...

https://www.transparency.org/en/cpi/2022

https://worldpopulationreview.com/country-rankings/police-ki...