What will it mean to youtube, facebook, google, amazon, netflix, if all those sparse clients with slow internet become a broadband client... And, even more, a c

What will it mean to youtube, facebook, google, amazon, netflix, if all those sparse clients with slow internet become a broadband client... And, even more, a client that is driven away by some sort of capping? Of redirection to another site? Ads from another company? Because net neutrality isn't exactly a thing everywhere, worldwide.