No, it's about the power asymmetry that breaks the promises of democracy that comes with it.
In other words, the pitch is something like, "The ultra rich are have too much influence. How do we fix it? Why, just vote progressive!" which is exactly what you would expect if the focus on the ultra rich was merely a political ploy.
You knew for a fact that I could point to dozens of people so you guarded it with something you could move the goalposts on and then be "dude that's not mainstream enough".
Cool. Not playing that stupid game. The entire internet is so fed up with all of these stupid right wing negging games. Nobody cares any more.
You're liars frauds and scoundrels. Everyone's on to it
They use 501s as kobashi schemes for tax dodges through donor advised funds. It's a shell game. That's why they take the $1 salary as well.
As far as the other one, if you think, say, Peter Thiel or Jamie Dimon has the exact same access to the political process to influence policy as the guy fishing for bottles in the recycling dumpster out in my alley, I don't know what to say.
Money doesn't "buy" power and influence, power and influence is an ancillary structural artefact of the money. It comes with rights and privileges. We'd call them oligarchs if they lived in any other country.
Many people make the mistake of thinking that "many people with a common characteristic working in ways that mutually benefit the whole group" is necessarily a conspiracy. Sometimes it is, sure, but very rarely. It's much, much more common for members of a group—like, say, the very wealthy—to individually recognize "hey, if I do X, it makes things better for me!"
That's what happens with massive wealth inequality.