Well, keep in mind you are posting this on the "Budget" Board. The people who frequent this Board love to go to WDW, but sometimes they have to find ways to do so economically.
I am not a big drinker (a glass of wine or a margarita once in awhile is about it for me), but while on vacation I do love to have some drinks by the pool. I disagree that alcohol is a 4-letter word on the DIS. I have seen plenty of threads, generally on the "Restaurant" Board, about "drinking your way through WDW", "best Martini's", "best Margarita's", etc.
My family does sometimes plan for breakfast in our room, and we do bring snacks. We pick up items as we get a grocery stop with our towncar transfer. I have done this more for convenience than great savings, as we don't like to waste park time by standing in line for snacks, or taking an hour or more to sit down every day and have breakfast. The savings is a side bonus though. Also, there is no way we could eat three sitdown meals a day...I would burst! So, we usually eat a light breakfast (something from our stash, or grab-n-go), one sit down meal and one fast food, per day.
Finally, not everyone is a "foodie". Some people could care less what their next meal is, as long as they fill their belly. They don't care about establishments such as the Flying Fish, CG, Citrico's, Jiko, etc, where you get a great meal and it can cost a bundle. Now, I am not one of those people! I love a great meal, and don't mind paying for one. My point is that everyone has different eating/drinking patterns, for different reasons. It is nice we each get to do what we want, and that WDW provides so many options for different budgets and tastes.