Facebook isn't a monopoly, as evidenced by their recent outage resulting in 70M new Telegram users overnight.
Even so, as others have pointed out, the telcos did have arguably reasonable restrictions placed on what one could connect to the network.
But to put glorified web sites in the same class as government-sanctioned monopolies utilities tend to necessarily be is asinine. Your telco had to run physical wires across the land, gas company physical pipes everywhere, there was no practical means of a free competitive market, it's a completely different situation.
Even so, as others have pointed out, the telcos did have arguably reasonable restrictions placed on what one could connect to the network.
But to put glorified web sites in the same class as government-sanctioned monopolies utilities tend to necessarily be is asinine. Your telco had to run physical wires across the land, gas company physical pipes everywhere, there was no practical means of a free competitive market, it's a completely different situation.