PBS is consistently rated as a reliable and unbiased source of information. You think it's a "liberal lifestyle outlet", but what evidence do you have to support this claim? What is your unbiased alternative?
Maybe you should watch this series ... https://www.youtube.com/watch?v=L4aNmdL3Hr0&list=PL8dPuuaLjX...
Not quite -- PBS is rated reliable but biased left: https://www.adfontesmedia.com/static-mbc/
Another theory is that reliable corporate media is stocked with university graduates, and universities have also gone left.
> Would be interesting to see what this chart would have looked like 15-20 years ago.
Indeed, I think most of these were centrist news organizations 15 years ago!
Often they're lumped together as "yet another liberal" with PBS .... but they're more and more often the only ones covering those ares / giving voice to folks out there media wise.