It was one of many reasons the game was unbearable. If you think its okay to just leave it out AGAIN, be ready for another disaster, a disaster which you can credit to the white knights and people living in the past. Only this time it would be worse.

"Squeenix STILL didn't add jump!? WTF is wrong with them?!"
"Well you see, we had these people on the forums who said it was annoying..."
"No excuses. 4.0. AGAIN"

You guys have absolutely no scope for the competition. You need jump. Bitching about it isn't going to help. Bitching about a toggle isn't going to help, and will just make the game stupid.