I can partially agree with you in the sense that businesses are free to make decisions that they think are best, and customers are free to use them or not.
However, as an intellectual thinker that you claim, what is the documented effectiveness of cloth and paper masks in limited the spread of respiratory illnesses such as covid? If one were to look at a box that these masks come in, they may see:
In addition, if a person has a medical condition that makes the use of such a ridiculous rule dangerous to them, you agree that a person (especially a child) should have to comply with the decree, regardless of what that means for their own well being?