Here's my issue. You began this OP by talking about a BIPOC person who can afford to globetrott and hanglide that you told she has advantages over poor white children. Then you were smug about her unfavorable reaction to that assertion (part of the dog whistle). But in your comments to me you said this, which acknowledges that she is actually correct.
"A poor white child has far more white privilege than a black millionaire."
You are acting like this BIPOC person isn't aware that she has economic privelege. Her reaction was undoubtedly due to you completely disregarding just how much oppression she does experience despite being able to afford things that a kid in your soup kitchen cannot. That's offensive, so no wonder she was offended.
Rather than helping people who might be inclined to dig in when presented with the larger picture to understand in a non-confrontation way that they do experience significant privilege even if they also have significant problems, you've pandered to them, and justified their right to feel that way.
You wasted half your story demonstrating that white people are poor too. No shit, we all already knew that. But we can't talk about all the problems in one 8 minute story. Sometimes, people who have specific issue want to be able to talk about the problems that are specific to them. If you'd made your story about the poor whites you know who are struggling and not made it into a contest between whose oppresion is worse, I would have applauded it.
But instead, you stoked the fires and appealed to the white people who want to insist that they can't possibly have privilege because they also have problems. You've thrown inflammatory phrases in like "So tell me again about your large house in Switzerland and your systemic oppression at champagne socials" even though you also admitted to me that the richest Black person is still going to suffer oppression that the poorest white child will not.
I find that completely unconscionable and really just beyond the pale. You are talking out of both sides of your face. Of course we need to raise all children/people out of poverty, but that's not going to be helped by what you are writing if it's in this vein. There is always pushback to social progress. That doesn't mean that we stop trying to progress just because some people don't like it. Telling those people they are justified in not liking it by trotting out the image of poor white children who are suffering is just about the lowest thing I've ever seen anyone do on Medium, and that's saying a lot.
And if you really wanted to talk about how an unintended consequence of demands for social progress will be some of the pushback, you should have done so. That could have been an interesting story. But that's not really the main focus of this OP, is it? Your subtitle, which is what caught my eye, says it all: "A stark warning from a future generation of working-class white kids."
This is the dog whistle in a nutshell. "Watch out white people, the lefties don't care about you and despite your very real need, you're about to get screwed over in favor of the needs of whiny BIPOC, some of whom have more money than you." This is what your story was about, which is why I found it so distatesful and shocking.
I didn't misunderstand you at all. Your meaning is quite clear and I have your own words to prove it. " If you make the economic argument rather than the identity one, like I regularly do, you’ll be accused of upholding white supremacy." What happened to "A poor white child has far more white privilege than a black millionaire." ? Did you conveniently forget that part when it didn't serve your needs?
There's all sorts of privilege, and it's possible to experience both privilege and deprivation or oppression. You know that, but when you want to rile up the the very people that you claim to be worried about you get their blood boiling with righteous indignation and drive them more to the right - the very thing you claim not to want to happen. The hypocrisy of this is just about more than I can bear so I'm going to go do something else that's a little bit more life-affirming.