So you would have no problem if AT&T cut off your access to communicate. Because “they are not obligated to provide access to everyone.”
You are exactly right. These internet Kings need to be treated as utilities, not media.
Break them up ala Ma Bell.
The phone company isn’t a content publisher. A better analogy would be your television station refusing to have you on a show, or a radio network refusing to take your call, which of course they do every day despite being publicly regulated.