the majority of the issue people grapple with when it comes to the subject of wealth disparity is that people often assume that rich people are essentially taking away wealth from others by being rich, which is not the case at all
I partly agree with this. I think it's the push and pull of the wealthy as job creators vs. "not paying their fair share" in taxes/upkeep/wages. In America for instance, people's lives have generally improved due to technology advances since 1970, but have they gotten wealthier or more financially secure? Not really. Costs have gone up at a faster pace than wages, inflation hits the less wealthy harder, industries shift without care for human well-being, government bureaucracies demand larger and larger payments, etc. Meanwhile the rich have become increasingly rich and influential as a whole.
Still, I think my argument still holds up that people being poorer by comparison remains an issue. The poorer a group is, the less organized it can afford to be, so their voices can't be heard as easily as Elon Musk's. It doesn't help that the Elon Musks of the world are often totally out of touch with reality on the ground (and have delusions of grandeur). So if there's to be an election, and an Elon Musk donates $25,000,000 to one candidate who backs his own interests, how are poverty-stricken people to match that even en masse for the opposing candidate who furthers their own interests? "Just hope a variety of ultra-rich people will back the interests of all classes" is not a reasonable request. Plenty of candidates throughout history seeking to benefit the poorest and most vulnerable end up as duds because they didn't have moneyed interests supporting them, meanwhile Elon grows ever richer.