I find ZeroHedge usually has links to the source articles and they are often "mainstream".
Also, similarly, they at one point ran an article about a John Hopkins doctor who is against gender affirmation treatment towards trans people. I googled more about their papers and the like, only to find that the doctor only published their work in religious-oriented research and has actually be disavowed by several medical practitioners who specialize in trans medical concerns. None of this was cited in the article.
This has overall made me quite leery of the validity of ZeroHedge on anything but the links that ZeroHedge cites.