What is the REAL Reason for the Possible Shut Down of ATSC 1.0 Over-the-Air TV?

Broadcasters want to set a firm date to shut off ATSC 1.0 TV signals. What is the real reason behind it? It might not be DRM, it could be something called datacasting. Broadcasters Want to Shut Down ATSC 1.0 TV and Move to NextGen TV- Will it Actually Happen? https://youtu.be/zNPn_jCQeLo Over-the-Air TV Channel Launches and Streaming News Playlist: https://www.youtube.com/playlist?list=PLDX6gLCL4WMyrATEwPvyAGJu29r_0i1DB TV Antenna Reviews Playlist: https://www.youtube.com/playlist?list=PLDX6gLCL4WMwMAycjBF3_ApXyAfwHNV4f OTA Television and TV Antennas playlist: https://www.youtube.com/playlist?list=PLDX6gLCL4WMwpAbOq-InwTgOms_3Zsri_ FTA Satellite TV Playlist: https://youtube.com/playlist?list=PLDX6gLCL4WMzYuc7UwrAL82RHbqOdGJv9&si=_iOUQ3f2n_fO6KCL https://www.youtube.com/c/NorthcoasterHobby https://www.tvtechnology.com/news/sinclair-launches-broadspan-datacasting-platform https://www.tvtechnology.com/opinion/nextgen-datacasting-theres-money-to-be-made https://www.tvtechnology.com/news/ota-wireless-readies-atsc-30-datacasting-for-commercial-deployment-part-1 https://sbgi.net/local-broadcasters-form-joint-venture-to-provide-high-speed-data-transmission-services-to-clients-across-the-united-states/ https://trilogynextgen.com/datacasting/ https://www.tvtechnology.com/news/edgebeam-wireless-atsc-3-0-datacasting-hits-the-ground-running