There's limited room on the airwaves. Digital TV made it easier to get more signals into the same channels -- and the FCC promptly stacked stations closer together to make more room for police radio and commercial users.* Mostly-analog FM and AM† is even more pressed for space, with an array of technological fixes helping to find and fill in available slots anywhere there's enough of an audience to turn a profit.
Radio and TV spectrum is a limited resource. You can run out of it. It's not like newspapers (just print more!) or cable TV (filled up one wire? Run another -- or use fiber-optic for more bandwidth) or the Internet (make more webpages, run fatter data pipes!). So the government regulates it via the FCC and one of the things they have required since early on is transparency: stations have to ID themselves with every transmission and you've always been able to go look up which owners go with what call letters.
Broadcasting is a big megaphone, and broadcast stations have to prove they're of some use to their community. The way that happens is by a thing called a "Public File." It used to be an actual file at the studios that anyone could show up during business hours and leaf through; now it's an electronic file, accessible through the stations website and the FCC's as well. In it you'll find the current license (including ownership information) and any applications pending with the FCC, agreements the station has made with citizens (usually advocacy groups), contracts, complaints, details of political broadcasts, a copy of the FCC's guidebook The Public and Broadcasting, a list of issues and of programs that address them (including children's programming), and so on. "And so on" has for years included EEO requirements: equal opportunity in employment. There aren't any hiring quotas, but the FCC wants stations to make sure they're reaching out to all qualified applicants when they have job openings. And they used to require stations keep track of staff demographics, and post that information in their public file. Twenty years ago, that requirement was dropped (at least for radio stations) due to a court case, but time marches on and they were able to reinstate it recently.
Of course a station owner objected. Remember, there aren't any quotas; the FCC just wants that data out there so the general public can see it, along with all the other information about how the station has addressed matters of public interest and who's running the place. But that's too much for the folks who run "theDove" and they've filed suit to block it. The NAB loathes the notion, too, and have filed their own lawsuit.
I don't know. Over-the-air radio and TV stations are using a scarce resource, and nobody's keeping them from making money; but since they're getting to use the public's airwaves (and at a pretty cheap price, too), the public deserves to get some direct benefit, and the public ought to be able to check how the sausage is made, too. It doesn't seem out of line to include demographic data not linked to names. NAB suggests it may enable doxxing individuals, and I will leave it to readers to decide if that's a genuine concern or a legal stratagem.
Radio and TV stations are allowed a disproportionately-loud voice, and subjecting them to a greater degree of scrutiny in return is about as close to fair as we're going to get.
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* Yes, it's true. UHF TV, which used to end at channel 83, now stops at channel 36, just shy of the channel 37 spot that was never used: radio astronomy finds 608 - 614 MHz useful and above that, it's all cops, military, Feds, fire departments, ambulances, phones and so on.
† There is, kind of, available room on the AM band these days, but it's more like vacant buildings than wide open spaces -- and decrepit buildings, at that. An AM radio station is a big pile of sunk costs, especially the antenna tower(s) and ground system, costly to build, expensive to maintain and vulnerable to theft. But AM listenership has been declining for years and advertising revenue has followed. If you ever wanted to own an AM radio station, now's the time; but the way to make a small fortune with an AM station is to start out with a large fortune and be very, very frugal.
Update
5 days ago