It PROBABLY tasted great, very little risk!!
There is always another step to take in brewing.
If I was asked on the street how to start homebrewing, I'm not going to tell them to:
Go out and buy 2 brand new Sabco Kegs (because thats the only moral way) and a 10 gallon Rubbermaid cooler, drill 2 holds in each keg, install valves in both kegs and cooler, and thermometers/sight glasses in both kegs. Then go out and buy 2 turkey fryer kits and 2 tanks of propane. Throw away the pots. The purchase 50 feet of copper refrigerator tubing and the proper fittings and bend around a corny keg (buy some of those as well) Then bring water to 166 degrees in 1 keggle, add that water to your pre-heated cooler MLT, check temp, adjust if necessary. Wait 1 hour, drain into 2nd keggle. Put the rest of the sparge water into the MLT and drain it. Then bring to boil, add hops in 15 minute intervals for a total of 60 minutes. Cool using your chiller to less than 80 degrees, drain to fermenter, add yeast. Then cover fermenter and wait for at least 2 weeks. If the gravity reading is stable for 3 days (do I need to explain gravity? oh, buy a hydrometer) then rack to a keg. Place keg in kegerator or keezer (did you buy or build one of those yet?) and force carb until ready. Then serve beer, allow to come to temp based on style before consuming
Now... thats most of my process. Its not complicated to me, but to a complete newbie, that would be overwhelming and I would not recommend it for their first brew. I, however, wouldn't make beer skipping a single step. I don't disagree that many of us do things different than Alton Brown did on his tv show, but that does not make what we do better, or right, or something a new brewer SHOULD do.
You keep saying there are "Better" practices. That is a subjective thing. Better why? Better because you do it different? The point being this...
Alton's process is DEAD SIMPLE. Alton's process is INEXPENSIVE. Alton's process MAKES BEER. Alton's process is ACCESSIBLE to anyone. And... Alton's process will only benefit a new brewer by producing beer.