No, the whole demographics argument is a fallacy designed to explain away a problem without having to confront the problem.
Yes, there's a certain amount of culture in this. Black Africans in the UK have a similar educational achievement to white British people. Black Caribbeans on the other hand have a much lower educational achievement than anyone else (except Gypsies and travellers for what seems to be obvious reasons, a lack of educational stability).
This then means that more of the crime is being committed by these Black Caribbeans, rather than anyone else.
In the US there's a history of slavery, segregation, migration to cities to do menial jobs and being stuck in poor inner city neighborhoods. Another cultural thing in the US is educational funding. In the UK and most of Europe education is funded more or less equally. In the US it's based on property taxes, which furthers the poor/rich divide.
While education funding is based on things like the taxes you mention, there is no proven correlation between education results and spending. A lot of the time, you get better results out of charter schools that spend far less per student than public schools.
It's not about funding so much as it is about how money is spent. Many public systems are just terribly run.
Another cultural thing is the saying in the US "anyone can make it in the US", which is technically true. The problem is not everyone can make it, only a few can rise up out of the ghettos.
Another thing is US society is WHITE. Meaning black people are growing up in a society which isn't made for them. It's made for white people. Which has an impact. How much it's difficult to say, but certainly different races have different positive attributes that can be utilized by society, or ignored.
Sure, but that's true of any society and its majority. Japanese society is made for the Japanese. They do better than the Ainu, for example.
People always talk about white privilege, but it's really about majority privilege. When we cease to have a majority, things might change somewhat, although it's going to be pretty chaotic until a new majority takes hold. Latinos will be the eventual new majority, and by that point in time, they will probably fare best in America.
You can't change this principle through legislation. It's just human nature. Whoever is the majority will usually rule and succeed.
There are exceptions to this in certain societies, but they usually involve vast differences in wealth and resources between groups -- far more vast than any differences here.
However I'd point to the UK to say the issue in the US is one of political laziness. The simple saying of things like "anyone in the US can make it" as a way of not improving things, or even making sure people don't succeed to benefit those who have that power.
In the UK there was a massive rise in gun crime in the early 2000s. This was mostly because of the Yardies, Jamaican gangs. Jamaicans could get into the UK visa free and did, and stayed and brought their gangs with them. (and in return the UK got to decide who had the death penalty in Jamaica, hardly seems fair).
But the UK government did something about it. They targeted this crime, and they reduced it.
Gun law, gun control statistics, number of guns in United Kingdom, gun deaths, firearm facts and policy, armed violence, public health and development
www.gunpolicy.org
234 gun deaths in 2000 was a high. 107 in 2016.
Yes, it doesn't stop all violence, knife crime has become more prominent, but it was an active push to stop society rotting away (from this one aspect at least)
See, that's the strange thing about that approach. Instead of restricting Caribbean immigration more, they decided to just be more restrictive about weapons. Yet, the weapons themselves weren't the problem. The people using those weapons were.
Granted, reading between the lines reveals that it's not really about safety. It's about government control. Elites running the government don't care about immigration issues, because they live in gated enclaves that are away from the repercussions of said immigration. They also don't care about gun rights, because they can afford to hire security.
And disarming the public makes them far easier to control.