There is an interesting case made[1] that while this used to be true, it is actually not the case any more and that things are starting to become rather anti-liberal on both sides of the political spectrum.
[1] https://www.goodreads.com/book/show/102146148-what-s-our-pro...
This narrative dominated TV, print and to a lesser extent radio. It really created the notion in people's heads that this narrow band was really what people thought about. What people are reacting to in large part is the newly visible presence of alternative perspectives. They were always there. They were just strategically locked out by people who decided what was "fringe". Basically anything that didn't support institutions was ignored or disparaged.
Waco and Cuba are two prime examples. Waco was written off in the national media because the people in the compound were so "weird". And for years the national media has underwritten the American foreign policy blob's almost neurotic fixation with Cuba.
A quote from the page I was just reading:
> “When Speech First brought a lawsuit against Michigan, alleging that their bias response teams were unconstitutional and “flagrantly violate the First Amendment,” the court agreed, ruling against the school. As of 2022, 456 U.S. colleges⬥ have bias response teams (almost double the 2017 total of 232),49 and very few have been subject to investigations like the one at Michigan.”
Excerpt From What's Our Problem? Tim Urban https://books.apple.com/se/book/whats-our-problem/id64456422... This material may be protected by copyright.