Think about it. If the wealthy seek to always increase their wealth (on which I think we agree), then why would they not use the state’s monopoly on coercion to further their own monopolist desires?
It would be an especially inept monopolist that did not recognize the advantage of capturing the political process.
Your home ownership link shows that the rate is about the same as the late 1960s (higher than the early 1960s).
(By the way, can I ask, as I have asked others on Historum, please, when giving a link, try to add a comment that indicates why the link is provided eg "this link shows how much home ownership has recently declined". I ask this because otherwise it takes some wading through to assess a pile of information).
I am surprised by the lower labour force participation rate, I thought there were more people in employment than ever.
Regarding personal and national debt - who is the debt owed to?
The link showing the state of the middle class uses data from 2010, not long after the big recession, the following link shows that median middle class income is $61000 (half are below and half are above that - the average will be lower). What Is Middle Class, Really? Income and Range in 2019