Keep in mind that there is a trade-off on the length of the sidewall in relation to the height of the tire. The main reason for the short sidewalls is that they force the tread to "stay put" better (not squirm around too much) than the same tire with a longer sidewall. At least theoretically. But the shorter you go, the less the shock absorbing action of the tire itself, so you have this damned-if-you-do and damned-if-you-don't quandry. That's where the other stuff comes into play, such as: the rest of the suspension components, the use your car is set-up for, and the design of the tire itself.
I agree with you that some of the larger wheels/shorter sidewall combinations are still kind of hard to get used too. I have the stock 19 inchers on my 2011 and They look fine to me. But I had drawn the line before I got the car at 18" wheel/tires. Now, I'm looking at newer wheels designs for this car , and I don't want to go bigger than 19 ". Maybe one day I'll think 20" tires look normal. I've had to get used to every "growth" of the popular wheel/tire sizes since I got my Fox in 1989. Hell, I look back on my old Mazda RX-2s and 3s and realize that the 13" tires and 6" rims were stone age. But those cars sure could handle.
There was a beautiful old Ford truck at the recent Del Mar Goodguys Show that had a 5.0 Coyote motor in it and was megabucks. But the owner put these ridiculous sized wheels and tires on it. They were so damn big that I can't even imagine what was going on in his twisted mind. There was virtually no sidewall at all. Super expensive and totally worthless.