In my opinion this issue is a very messy affair and I don't see light at the end of the tunnel as far as I can see
The blacks will no doubt be hurtful with all this George Floyd happening, the only thing they get out of all this is a further mistrust and hatred towards the system, the whites, the cops etc.
The racist whites will feel vindication that blacks are looters, and whatever narratives they come out with.
The good police will remain good as they have always been with or without this incidents
The bad police will probably begrudgingly lay low for the time being before doing what they did best once the dust settled down.
This incidents changes nobody, those entrenched in each side will remain trenched.
You won't going to see the white supremacist suddenly moved and changed because of what happens with George, and I don't think any black Americans will change their stance after this riot. Damn some Korean Americans are still feeling some hurt from 1992.
Parents from both sides will teach their kids about 2020, and you can be sure it won't be neutral. People from all sides will take sides at least opinion wise about this whole 2020 riots. We all moderate our views in forums, discussions, and in most aspect of lives but rest assured we all take sides either way.
I can understand the frustrations penned up when year after year, incidents after incidents, the perpetrators getting more brutal by day, nothing changed, at one point the straw will break the camels back and civil disobedient is inevitable. I'm not even white/black or Americans but I would gladly march on that street if I were there. As a Christian I'd say violence is never the answer, but when one party keep coming harder, and harder and relentless in their pursuit of hate there's only so much you can bear. The lord says give your other cheek, but if that other cheek got slapped it's time to fight back.
I don't think Biden if elected are going to reform the whole police and justice system, let alone Trump. Even if someone who genuinely care for all this got elected, i doubt he has the time, the willpower, the political capital, the support to make such a reform. It feels to me that Chauvin are just the tip of the iceberg and not the bad apples.
I agree Americans need a total reform, i just don't think it's possible. Because tl;dr those that doesn't want changes are actually large in number.