Maybe someone at Disney was a fan of the Gerry Anderson show produced by Century 21 Pictures and didn’t want the chance that “21st Television” might be too close for the lawyers?
Branding. A split trademark is no trademark. Remember all the butthurt conspiracy theorists who were all upset about the ATT-TW merger, not understanding that Time Warner Cable was a totally different company unrelated.
I am surprised that Sinclair is still using the Fox Sports - geography brand name.
What's crazy is that the majority of the 210+ markets with FOX network affiliates still use the searchlights in their logos, while the entertainment assets Disney acquired also use searchlights in their logo...