Yeah this is missing magnitudes of scale here. Someone with 100,000 and someone with 1,000,000,000 are wildly different scales of magnitude. It's like people who look at a mag-4, mag-5, and mag-6 earthquake. Each of those is on a log scale, so while you're just going form 4 to 5, the scaling means that's a massive amount of change.
Same diff here. The economy is mostly based around the buying power of the median. So every log₁₀ past that point means massive change. So going from 100,000 to 1,000,000 is a pretty big change in the amount of security one has. So going from 1e5 to 1e9, that's a change of 1000 on the scale. The level of change between those two is absolutely astronomical.
I get this facet of mathematics eludes folks. All the while the whole "double the number of grains per square on a chessboard" thing we all like to play with because it's interesting. But this is that IRL. The average person and the average billionaire are on two totally different scales. It's like saying, "why a beetle doesn't glow when the sun does?" Like you can't reasonably compare those two things. Yeah, both contain hydrogen at some level but in massively, massively different quantities. It's like saying, your computer is just an overgrown abacus. It's just ignoring scale so much that it veers into very wrong.
I get what you're trying to say. But you've got to acknowledge the vast difference of scale here and that your point is not just oversimplification of an issue, but a gross by planetary magnitudes oversimplification of an issue. Just mathematically speaking, the average person and the average billionaire are not even close to the same kind of person in economic terms. It's just completely unreasonable to even remotely think they are. The numbers are just too far apart, to even attempt this argument in good faith.