True, but the software they are writing is also a LOT more complicated than our simple little high school software projects. I remember back when we were still waiting for copy&paste for iOS, one of the Apple senior VPs explained that they had a list of things to work on, and they simply hadn't gotten to it yet. now it's true that Apple's priorities can be idiosyncratic and often leave us scratching our head, saying, like you are doing now, that doing X or Y or Z will be simple and won't take up that much time or man power, so why don't they do it already? But every organization has finite resources, even if they are as big and rich as Apple. And they have to pick and select which problems to work on.
With the iPad, I have a suspicion they spent more resources getting the hardware and "under the hood" part of software right, and rushed a lot of the apps part. Parts of the standard apps like the iPod app, Video app, Calendar app, and yes, the Photo app feel incomplete, and come on, no Clock app? I still can't find a timer/alarm/world clock as simple and easy to use as Apple's standard iPhone Clock app, but it was never ported to the iPad.

I've given up dwelling on the things still missing from the iPad. I'll enjoy the things it does do, and maybe when someday a few of my wanted features show up, I'll be pleasantly surprised.