From all I have read and listened to from both sides I tend to think that, in the US at least, the feelings of inequality are in part explainable.
What I say next doesn’t mean there is no racism because there is. More on an individual basis than systemic so...
Not getting good jobs and being overlooked for promotion can be attributed to poor schooling. In one district (and I can’t remember where) less than 5% of black males passed a basic numeracy and literacy test but they all had their High school certificate. The implication is that they are as good as other people (probably are amongst their peers). But on the wider arena they simply don’t cut it. The knock on effect is a lower social economic status which further alienates and pushes the victim hood nature of their belief.
The area of being stopped by police, that I think is more to do with % and likelihood of criminal behaviour. If you look simply at the murder rate, 6% of the population are responsible for over 50% of the murders. That 6% are black males.
It is a complicated issue of feelings over facts. Of not taking the opportunities on offer and attributing any set back as racially motivated.