This is kind of a ridiculous argument.
Nobody all of a sudden installs a complete package of plays they have never practiced before with the kids just a few days before they play a game. A football play is way to intricate to run as a team well to do that.
What coaches do (and I think everyone knows this and why this is so ridiculous) is look and see what a certain defense does and where they are vulnerable and then exploit that vulnerability.
Anyone who thinks TO didn't do that is clueless. Looking back at the 1995 season, our pass attempts per game were as follows 20, 14, 20, 36, 20, 15, 17, 23, 21, 15, 27, 15. So, we went from passing it only 14 times to passing it 36 times. TO and Gill did that because they knew they could be successful doing different things against different defenses.
And, what team did TO get "cute" against and pass it 36 times? Pacific. Then, at the end of the season, he passed it 15 times against Kansas then 27 times against OU and then back to 15 times against Florida.