Well, my sister was the one most recently giving me instructions on what the schedule was that I was to use, and telling me that I was to do exactly as the schedule said because it's doctor-approved.
The babies, having been fed on the schedule, are hungry on the schedule.
That's the beauty of the schedule.
But then, what do I know? I don't have any kids and am not allowed to voice an opinion about anything relating to parenting.
I know several of those scheduling mothers, and their kids are NOT better behaved than demand fed babies. They can be just as bratty as any other kid, but their parents THINK that their kids are better behaved. Not only that, but they are so hung up on their schedules that they will not let anyone feed or even try to comfort the babies while they scream their heads off when they have been playing and get hungry before the schedule says they should. I know one mom in particular that cannot understand why her last two babies were losing weight while on a strict schedule. Schedules may work on babies with certain personalities, but not all kids are the same (especially ours). We tried to keep our first on a schedule because we knew others that were convinced that scheduling was "God's way", but he was always going against what "the schedule" said he was supposed to be doing. He did much better when we ditched the schedule. We also did research into parenting styles and found out that demand feeding is much better than scheduling, and had a much more solid foundation, both medically and spiritually.