I think you need to revisit your assumption about wealth inequality in The Netherlands. It’s on par with that of most of Europe, significantly lower than in the US [1].
[1] https://www.indexmundi.com/facts/indicators/SI.POV.GINI/rank...
[1] https://www.indexmundi.com/facts/indicators/SI.POV.GINI/rank...
[1] https://en.wikipedia.org/wiki/List_of_countries_by_wealth_eq...