That part of the article didn't go into detail but it strongly implied that they were serious booze-hounds.
Again, in medieval times, drinking alchool was widespread amongst the Arabo-Islamic world. Even old rigorists gave up forcing people stopping doing that and only had books to disaproove such conduct.But only relative to their co-religionists. (with the probable exception of the Persians, back in the day).
In fact such regulation was technically more important in Al-Andalus than in other places (not that they were respected).
They were as drunkyards than people today are debauchee because they make unmarried sex.
This conference of Philippe Clément is really interesting about it, especially on Spain.
It's in french though, but it's referenced a bit there, while informations about the production can be found there (still in french)
They didn't talk about it. Probably because they didn't cared (being wine lovers as well), and that people sold them enough wine (technically forbidden, but who gave a s**t), and brought them "tools of the trade" (glasses, bottles, distillation, agricultural techniques)I wonder what Christian Europeans though of Iberian Muslim drinking habits?