Agree wholeheartedly, rounded corners are truly a stupid feature. On a phone it is somewhat excusable and I'm somewhat ok with it as it is a small device and they want to screen to seem like it is hugging the edge of the device.
But it would seriously irritate me having parts of the corners of my screen cut off on a large desktop or laptop, to fulfill some obsessed designers' 'vision' of how things should look (when really it'd just be form over actual function)
It's worse on a phone than what I get on my iPad. The PiP window on my iPad is significantly smaller than watching videos on an iPhone, and it drives me insane to see my videos in PiP on my iPad. So much so that I rarely use that feature anymore.
I doubt Jobs would have approved. Rounded corner displays are stupid, period, just like that ugly notch on iPhones. I can’t imagine him having sign off ooh either. You can still have reasonably thin bezels with square corner displays. Apple does the same rounded corner cropping with videos and photos in iMessage and album artwork in Music app. Maddening.