A legal challenge to a proposed Paramount-WBD merger is putting cable television back at the center of the media antitrust debate. Even though the pay-TV business has been losing momentum for years, the lawsuit reportedly argues that cable remains important enough that combining the two companies could still create excessive market power.

The case appears to focus in part on the scale of the combined cable portfolio. Opponents of the deal argue that one company controlling more than 50 networks would have too much influence in negotiations and distribution, despite the broader decline of traditional cable. In that view, a weaker industry does not automatically remove monopoly concerns.

That makes cable TV an unusual but significant piece of the fight over the Paramount-WBD merger. The lawsuit is said to identify it as one of three business areas where the tie-up could reduce competition. The argument suggests that legacy media assets may still carry enough value and leverage to matter in an antitrust review, even in a streaming-first era.

The broader issue is whether a fading business should be treated as less sensitive in a merger review, or whether consolidation inside a shrinking market can be even more problematic. For Paramount and WBD, that question could become a major factor in how regulators and courts assess the deal.