He's not wrong. You can't go on about how you're a free nation of equality meanwhile your citizens are being brutally murdered and the killers are accountable to no-one. You have citizens being killed on camera and people making excuses instead of agreeing that there needs to be accountability.
Of course Russia, China, etc. are extremely racist nations and I would never want to live in one of those places, but at the end of the day, it is a fact that the US is sluggish at best when it comes to making up for the damage caused by slavery.