AT&Ts decision to fund OAN seems to be strictly for business reasons: Their cable and Direct TV offerings had only Fox News on the conservative side, but many more media channels on the reality-based side. If they had a channel crazier than Fox News, they might attract some of the rabid lunatics.
Nothing personal. Just business as usual.
We're flying electric helicopters on Mars yet you can't turn on your clothes dryer in Texas. That's because scientists are in charge of Mars, and Republicans are in charge of Texas.