These identity things are complicated.
As PPs have said, the legacy of slavery (which was not confined to the USA by any means) feeds into how people feel.
In the UK we just had all that awful scandal with the 'windrush generation'.
We said come here! We need help.
We said, you will be citizens.
Decades later. The only proof lots of people had was destroyed by the home office. And people were deported.
This stuff is not trivial. Racism is not trivial.
People who are 'different' get shit wherever they live.
In my area there's a large Jewish population. Swastikas get painted on the high streets, on the bus stops.
Not trivial. Just as an example of how we are not a wholly tolerant society.
As an individual. Getting approached as a is bollocks. And IME never comes from a good place. I have said throughout the thread that it's bang out of order and suggested some things to say back.
It's different but I used to have, when Weinstein happened, men at work rushing up at the coffee machine keen to talk about rape. How the fuck is that appropriate.
The idea that people should be a. happy to and b. on hand to 'debate' etc whatever the thing is, is bollocks.
Ha you know what.
How about we all turn it around.
OP. When these white people approach, having spotted a person who surely have some views. Say. Well. Interesting. The police officers who killed George Floyd were white. How do you feel about that.
Turn it around on them.
With too much stuff the focus is on the group that gets the shit.
Make them feel uncomfortable. You're part of the group giving the shit. How do you feel? How can it be solved?