I think it is important to recognize the bias in this article. It isn't until the end, that The Atlantic says, "This article is part of “The Speech Wars,” a project supported by the Charles Koch Foundation, the Reporters Committee for the Freedom of the Press, and the Fetzer Institute."
A quick search for Koch's influence on free speech will add light to their motivations. Here's a recent one: https://www.thenation.com/article/portland-speech-milo-antif...