There is someone on here that homebrews. Someone else recently started. I can't say that I do it, but I have assisted a friend who does all grain at least 25 times. Never helped with a cider. Without a specific question, the factors that I think are most important in the beer making process are sanitation and fermentation temperature.
I never really thought about him being a user before. But if one player is being questioned because of performance at a particular age and because of his dirty teammates, than I don't see why another wouldn't. He won 20 games and led the league in games started in his age 39 season. As far as being one of the most cerebral players of all time, I don't know what you are talking about. How do you quantify cerebral use?