Thus, when you’re tempted to share a Politico article, please look instead for an article from a different source.
(Also, if you’re wondering, know that Axel Springer, the mass media company, has nothing to do with Springer, the science publisher (with the chess knight logo; it’s named after Julius Springer; it deserves criticism of its own, but a different kind.)
Good question, I’ve heard of but never looked into them. ProPublica seem to get most of their money from a charity created by billionaires, so their funding might come with some significant strings attached, but they do some pretty good journalism, it seems.