Own the network and charge 30% tax on anyone delivering content.
Central control of a network means deciding what that network is. Where it begins, where it ends, what goes in, what comes out, who can receive, who can send, what interactions are possible, speeds and latencies, what messages are heard, what are not, who pays, who gets paid.
It's not just the vig.
Also: factors wholly ignored by contemporary US (Borkian) antitrust doctrine.
They acquired ownership in the content networks and taxed them as well.
Read: Cable Cowboy - John Malone and the Rise of the Modern Cable Business
https://www.amazon.com/dp/047170637X/ref=cm_sw_r_cp_api_i_nx...