Usually that’s something like NFL RedZone/MLB.tv/etc which offers direct feeds, out of market, with blackouts etc.
Have enough people feeding your provider with streams and you have a legally dubious nationwide ad-free service for that league.
I thought you meant it somehow got rid of commercials on normal channels, but live. That wouldn’t make sense. But these channels don’t have traditional commercials in the first place.
He has a KoFi so you can donate and get a message on-screen too. Fun for rallying your fellow fans :)