Wow, I don't recall suggesting that we turn children into parrots.
What about inquiry based learning?? That can and does go on in any preschool program worth its salt. That is the kind of learing I am talking about here. Growing butterflys from caterpillars to see the process. Putting out a pan of water and coming in the next morining to see it frozen, and talking about the hows and whys. Learnig through play and experience is what good preschools do. There is a certain amout of practicing letters ect going on, but in DD's preschool and in my own classes we never spent more than a total of 30 min a day on anything like that. We learned numbers by going on a nature walk and counting the leaves we collected. We learned colors while sorting beads for an art project. A structured day doesn't have to mean sitting at a desk all day, and at that age it really shouldn't. It is totally counterproductive to keep a preschooler in a desk for any real length of time. 15 min at a time max at 3. Mabye 30 min at 4, and that is pushing it for some kids. Following an orderly progression of activities, circle time in the morning, having a lunch routine, nap routine, clasroom conduct rules are much more productive, and all important to be familiar with before starting school, and I think make the transition to "big school" a mch smoother process.