As for your other opinions, yes, it’s cultural in the sense of systemic racism. Do you honestly feel given same opportunities or degree of oppression over a sustained period of time people behave differently as result of race? That’s nonsense.
Eg. Explain Europe wide riots of Marocco football match ( fact) to me without sounding like a racist.
Riots are response to systemic racism:
https://dw.com/en/world-cup-why-do-morocco-fans-keep-clashin...
As are the issues Americans are facing.
Here an article actually of Belgium about it, even in their own community where they say they are tired of the youth rioting: https://www.hln.be/video/productie/marokkaanse-gemeenschap-i...
Additionally, same behavior over Europe...