All this is is another attempt by the Left to downplay the real achievements in American history and the real heroes that were responsible for them.
California State Senator, Mark Leno (D-San Francisco) tells us that it "makes no sense" to teach Martin Luther King Jr. and not Harvey Milk.
One of the benefits of being on the Left is that their arguments are so incoherent and scattered that their opponents are unable to respond in likeness.
The New/Old Politics of Capital vs. Countryside
How Conservative “Hate Speech” Makes Our Campus Safer
Berkeley Didn't Birth 'Free Speech' But Seems Intent to Bury It