I'm sure people can do it with a frisbee. The claim I responded to was that you couldn't do it with other types of sports equipment. The linked image is a counterexample to that claim.
The type of curve in your video is probably used in about 1/4 of medium range passes in an intermediate level game of Ultimate. So what you've shown one of the best football players in the world is capable of in a low pressure situation, is typical fare for an intermediate level Ultimate player in a game situation.
There is literally en entire sport called frisbee golf that involves that level of accuracy and control in every throw, at similar distances.
There is literally en entire sport called frisbee golf that involves that level of accuracy and control in every throw, at similar distances.