One single entity owning worldwide distribution rights for any given title is very much the exception nowadays, not the rule.
Citing the past isn't a good way to make a case against forward looking predictions.
Yes, I know that's not how things are done today. I'm just saying that there will be a shift over to the new model of "going direct". Middle men were necessary with the old model because content creators had no mechanism of getting their content directly to consumers. They didn't own cable TV networks, they didn't own theatre chains. Ubiquitous broadband Internet changes the conversation completely.