Imagine trying to fill out any kind of web form with radio buttons and check boxes. If you make a boo boo, you can't easily go back and edit as there are no cursor movements.
People said these things would be great for census takers and the like but I can't imagine the suffering.
Do you own an ipad? If so, listen up because you haven't learned how to use the Apple method of cursor placement yet. Yes, as a PC guy, I had to be shown by a MAChead the trick to it too.
All you have to do is touch the radio button you wish to be the correct one and it will select it. You don't need the up arrow 15 times and then left arrow 10 times to reach the position.
If you have a paragraph typed and you see an error you need to correct, just touch and hold near where you want the cursor. Then a little magnifier lens appears with the precise cursor position, Now rock your finger or slide it around without losing contact and the cursor moves into position where you can now hit the backspace key and retype the correction. The navigation arrows are completely unnecessary on the ipad.
Once you learn how to use the ipad, typing is faster and easier, especially making corrections than a hard keyboard and equally as fast using a mouse to select or deselect radio buttons.
Just to be sure I didn't miss anything, I went to Southwest Airlines | Book Flights, Airline Tickets, Airfare where making an airline reservation is a pretty robust use of radio buttons, typing and info entry. I had no problems, even with reselecting dates from the pop up calendar.
Understand- You can't play a violin when all you know how to play is a trumpet. Same with the ipad, don't assume something is difficult just because you don't know the tricks of using it.