You are correct that Buffett had newspaper assets, but mostly smaller entities. He sold off a few years ago.
https://www.investopedia.com/buffett-sells-newspapers-4783434
Carlos Slim puts his money in the New York Times. Jeff Bezos in the Washington Post. Both are doing it to have a stake in reporting, Slim may not be a NWO type, but for him, a small investment keeps the NY Times from interfering with his business. Bezos is making a raw political play. Neither are making money off the newspaper itself.
I think Buffett thought local papers like the Buffalo News were less likely to be affected by the Internet than USA Today. He now says newspapers are toast.
Gannett owns 6,000 properties. Tribune is a distant #2, but still large. Buffett’s Lee Media has only 70 properties.
I appreciate that you do your homework.
As an aside, a friend of a friend many moons ago remains the wealthiest person that I know that I know. He got that way by selling off is “Penny Saver” publication for a low 9 figures.