A cap on interchanges to 80 a game is being trialled in the pre-season cup competition.
The league will have three interchange players and three substitutes unless there is extreme heat when there will be six interchanges.
The situation will revert to three interchanges and one substitute player in the premiership.
The AFL argues the system will help prevent injuries and improve the look of the game, preventing a multitude of players running on and off the ground in short bursts.
But Scott says too many alterations can lead to the game changing its face.
"In terms of the trialling of the caps and the substitutions and all these things, the premise is incorrect in the first place," Scott said on Tuesday.
"I'm not sure we should be trying to tire players out to reduce congestion.
"If players are tired and we cap rotations and we fatigue players, we'll just adapt.
"We'll just change the game again," he said.