Media Matters: the big lie -- it's a hit list for David Brock's political enemies, masquerading as a 501c.
They are violating the law by existing.
They threw a hit piece on Tucker Carlson over comments made on a Shock Jock radio show, that frankly, don't seem that bad... just stuff that would offend snowflakes (even with all the context stripped out). But it turns out their own comments are worse. https://www.dailywire.com/news/44602/leftist-who-initiated-boycott-tucker-past-comments-hank-berrien