In the nature vs. nurture debate of whether someone turns out gay/straight, I lean heavily on the nurture side. However, there is no doubt that nature decides what sex you are. Parents are supposed to make decisions for their children when they are young; it's their job. Last I checked, a 4 month old can't make too many critical decisions. A child should never have to wonder whether it's a boy or a girl because it's parents were too lazy (you feel in a better adjective) to tell it. It's likely to have problems if it guesses right; heaven forbid it guess wrong.
Now to address the other topic that got started. I know I'll catch flak for it too, but I have to agree with TAB's full assessment. I know a lot of people who were home schooled, and some are really good friends of mine. I'll agree that almost all of them are very polite and respectful, and most are intelligent. However, very few have good social skills. I know people go through public schools, etc without developing social skills too, but, from my experience, the proportion of home schoolers is greater. I'm sure it varies some from region to region, and there are always exceptions. By the way, I am no where near California and have never been there.