If you live, in a reasonably sized market, OTA offers almost as much variety as cable, but fro free. In many cases, most OTA sub channels are showing niche programming similar to to early days of cable.
Comet - The is the SciFi channel, as it was 20 years ago.
Retro, MeTV, COZI, Antenna TV, Light TV (sort of like Hallmark), Decades - Think "Nick at Nite"
Qubo - Kids channel like Nick Jr.\
H&I, Ion Plus, ThisTV, GetTV, GRIT, Charge - Drama programming
Stadium, which is like ESPN News, and does have some live sports.
REVN - Think MotorTrend
TDB - Viceland
Movies! - TCM with commercials
This is just a few examples. H&I for example, runs each of the "Star Trek" series each night, except Saturday, during prime time.
YouTube Tv helps fill in the gaps, and provides live sports. Though there is
In Denver there are well over 80 main and sub channels. About 50 or so of them are not religious, shopping and Spanish channels.
Couple OTA, with YouTube TV and Pluto you get all the scheduled and streaming that you want. By the way, with a Tablo or whole house TV, you can stream OTA to all your Tvs with a Roku, ro an app.
This is why cord cutting has accelerated. People are discovering what it being broadcast for free. And what is being sent OTA, is better than what is on cable.
Finally, new channels keep popping up, And, the NTSC 3.0 broadcast standard and G5, may put an end to traditional cable.