PBS, ABC, and CNN don't allow debate comments, but Fox News does. What are they afraid of??

guys I just want to show you something I'm watching the debate right now if you go to like Fox News for example okay the comments are active if you go to any other news organization comments are disabled ABC no comments if you go to NBC boom no comments PBS of course PBS what they just totally turn them off not even an option uh Washington Post let's see there yep no comments um go to CNN highly doubt you're gonna have comments here get turned off like what is it it with like these companies where they don't want you to comment you know uh the open exchange of ideas is not something that they feel comfortable with