I wasn't alive for the riots in the 60 or 70s, but from what I've seen on film and read about, I believe you. Maybe it's because of the trauma of those years that older folks like you (no offense intended - I mean this sincerely) see the issues of minorities today as (relatively) unimportant. I suppose if I'd lived through the changes and upheaval that you did I might see today's racial problems as minor in comparison.
Well, Jim, they were pretty bad back then. Of course if you didn't live through it, you have no basis of comparison to today.
Let me also respond by saying I don't see the issues of minorities as unimportant. As a Jew, I'm very sensitive to what it meant to be treated as an outsider and persecuted or suffer from prejudidce. But there are other people who have issues too where society has a part to play. If you're out of a job, and white or black, your concerns are feeding your family. It seems to many, that Democrats spend too much time with identity politics and play the race card, mainly to get votes. They focus on wedge issues like LGBT, climate, environment, bathrooms, gays, and race issues forgetting that there is a huge number of people outside those areas that need politicians to speak to their issues as well and help them. That's why Trump was elected and why so many Democrats voted for Sanders.
Many groups have been persecuted in America. Italians, Irish, Blacks, Jews, Muslims, women, and others. But, things worked out and the groups moved on and became successful as we've seen Blacks become successful as well. After all, Obama was black. Kennedy almost didn't get elected President because he was Catholic. Women couldn't vote. Well, we've gotten past those things too. I was watching the news about the flooding in Texas. The mayor of Houston is black. Blacks were helping whites who were helping Latinos. Everyone was pitching in to help one another.
My sense is that there's always going to be prejudice or rejection of people who are not like yourself. We're always more comfortable with people who are just like us religious wise, culturally, racially, heritage wise, class, etc. But the good news in America, is that most people are willing to accept others and work with them to build a better society for all. Somehow, we've been able to get past the rough edges and move on. There are always people of good will who will help you and let you excel. Ignore the rest.