Well first, yogurt is a type of chilled custard, either plain or flavored.

When I was young, store-bought yogurt was usually thicker than it is now, so it more closely resembled a true, baked then chilled custard when you inverted the custard cup onto a dessert plate. The custard was then topped with a chilled fruit compote or sauce.

This could be optionally topped with cinnamon and/or nutmeg, lemon zest, apple crisp, fresh mint, etc. Very prettily served, and eaten with a spoon or fork as you would a slice of custard pie. (Favorite custard pies are: Lemon Meringue, Coconut Creme, Banana Creme, Chocolate Dream, Pumpkin, etc.)

So the first commercially produced yogurt with fruit was always packaged with the fruit on the bottom so that when it was properly served, it could simply be turned over onto the plate and the fruit and its syrup would drizzle down the sides of the custard.

However, not everyone was familiar with this traditional dessert. When consumers began questioning the purpose and complaining, many yogurt companies began offering a choice of "fruit on the bottom" or "pre-stirred" versions of the dessert.

The point of 'fruit on the bottom' yogurt is for those who know and prefer traditional desserts, or would like to try something different. The point of the 'pre-stirred' version is to deter the ire of men and women like yourself, or those who prefer their food blender-ized to baby food consistency.

Next time just pay attention to which type you're buying and you won't be so aggravated.