Starting Sunday, cable companies can no longer ‘rent’ you the router you own 6 years ago
Many ISPs use limited-duration promotional rates to sign up new customers, after which a discounted rate returns to a higher rate. We can debate the pros/cons of that practice as a marketing tactic, but that's not the same as the unfair charging practice described in the article. As far as I know, Comcast does not engage in forcing customers to rent equipment.