People have answered the question you asked. If you do not like the answers, then you either didn't ask the right question or you are just being difficult. The one person you thanked for answering the question didn't even answer the question, they just said they watched OTA TV. You can't even be consistent about complaining people aren't answering the question.

Is your actual question not why people watch OTA TV, but why do companies still put it out? Because those have different answers. The answer you reject out of hand so strongly, that people don't want to (or cant afford to) pay for TV, feeds into the reason OTA still exists. While 80% of people live in urban areas, the 20% of people who don't are still a huge market. No company wants to ignore 20% of the market. Plus, someone watching OTA TV is probably not going to be able to skip commercials like someone watching online. So they get better view rates for their commercials. And, as I have said before, poor people still need to buy products. And being poor, they are more likely to be brand loyal. If an advertiser can get a poor person to pick their product, they are more likely to stick with it as long as it is price competitive. I seem to remember reading somewhere that they get better bang for their buck with ads on OTA because people are watching live and not skipping them or blocking them.