Publishing companies are already liable for their content. The argument is that, instead, these other, non-publishing, major communication platforms should be

Publishing companies are already liable for their content. The argument is that, instead, these other, non-publishing, major communication platforms should be treated how we run other major communication platforms in the past, such as the telephone network. We have existing laws, that could be extend to cover other communication platforms. Telephone companies have been required to do certain things for decades, and the world hasn't collapsed because of it.