A well-known treatise on cultural appropriation from YungSnuggie:
I think the big hoopla over cultural appropriation comes from situations in which a certain aspect of a culture is accepted, but the actual people aren't.
What you get a lot of the times is historically marginalized groups having aspects of their culture appropriated, while at the same time still being discriminated against by those same people. You like what I create, but you don't like me. People who hate gay people dancing to house music, or people who wanna build a fence on the mexican border eating a quesadilla. That's when it can be offensive. It's like rubbing it in their face. But that's not everyone, not even a majority of people, that do this. Problem is, how am I supposed to know your intent? I don't know your political background. So people get angsty about it pretty fast.
For example - Jazz. Jazz was culturally appropriated. Jazz was a music genre created by black people, appropriated by white people, who then shut the door behind them and didn't let black people participate in their own genre. You should read up on the Cotton Club in Harlem: it's probably the most famous case of this. It was a Jazz club, in a black neighborhood, that featured all black acts but only white patrons. Black people were not allowed to attend a jazz club in their own neighborhood. White people could walk freely through Harlem, but black people could not do the same in white neighborhoods. I don't think its a stretch to say that this is pretty wrong. This idea of cultural manifest destiny never went anywhere. It's become less pronounced, but still exists.
So cultural appropriation is a thing, and it has a long storied history in America.
The problem is that cultural appropriation is not just "white people did a thing a minority came up with". Your cultural landmarks will never get the due respect that they deserve if the majority aka the people in power/with money don't respect it as such. Jazz would never be revered as it is today were it not for the majority giving it credence. Maybe you think it's wrong that white people have to validate your shit so it can be respected, but if thats how you feel then don't complain when you aren't on tv/in the movies/in whatever. You can't have your cake and eat it too. Don't complain about Macklemore then turn around and ask why Hip-Hop doesn't get more love at the Grammy's. They come hand in hand, that's a reality.
I think the fear of most minorities is that white people do not understand them or their culture, and just see them as a novelty. As something that's "in", or "chic", or "stylish". Not really understanding the deeper meaning behind it. It's like if someone took your religion and started saying they were Christian because Jesus is hot.
But on the other side, as a white person, it must suck to have to carry the burdens of your forefathers. Unfortunately, we all do. That's not a choice we get to just shrug off because its awkward. Just make sure that you don't pass down a heavy burden on your children. Stop the buck here and fix it instead of complaining about it. It's not about being "guilty". Being guilty implies that you did something wrong. You didn't do anything wrong. But at the same time doing nothing at all still leaves us at -100, so its our duty to improve upon the past instead of complaining about its existence.
We must learn about each other if we are to progress as a people. We must learn each other's past, present, and future. We must accept every aspect of our fellow man, not just the parts we deem as cool. If we can do that, then cultural appropriation won't even be a thing. But both sides gotta be open enough to let that happen, and let bygones be bygones.