Current Affairs recently ran "NPR Is Not Your Friend", which highlights some of the issues:
<https://www.currentaffairs.org/2022/09/npr-is-not-your-frien...>
The upshot of that piece is that NPR itself remains part of the neoliberal ideological propaganda apparatus:
Like all press outlets, NPR has a particular point of view. Its bias is just as profound as the likes of MSNBC or Fox News. NPR’s ideological bias is toward what we might call the American bipartisan consensus.
My sense is that both NPR and Wikipedia have performed admirably, and far better than their commercial counterparts, but that there remain pitfalls with both any organisation and those which are based on nonprofit / NGO models, particularly in terms of sponsor / donor capture.
The NonProfit Quarterly's podcast Tiny Spark frequently discusses such issues. It seems to be on hiatus but its back-catalogue has numerous episodes dedicated to the topic:
<https://nonprofitquarterly.org/tiny-spark/>
One of the voices heard several times on that topic has been Rob Reich of Stanford (not to be confused with former US Labor Secretary Robert Reich, at UC Berkeley), who's written and spoken on issues of philanthropy. Several articles are listed in his ... Wikipedia ... bio:
<https://en.wikipedia.org/wiki/Rob_Reich#Articles>
I suspect that the OP had another take on this, which I find less credible.