Never said they were, owning something does not mean it was well run.
First Media One, then AT&T, then Comcast, I was working for them at the time when it became Comcast, I left after 6 months, basically because they were evil.
In 2014, Uverse hit 6 Million.
Today, with DirecTV Satellite , both versions of Streaming and Uverse, they have total, 11.5-12 Million roughly, 2.5 Million Uverse ( a lot of multi-dwellings still), 1.5-2 Million streaming, so that leaves Satellite with around 7-7.5 Million, which had a high of 20 Million when AT&T bought them.