It's wrong to fake an impairment.
John is about to enter an amusement park, when he notices a sign that mentions discounted entry fee for elderly and disabled people.
John wants to pay the required fee to enter the park.
John pays the regular park entry fee in full and enters the park.
John pretends to have a physical impairment in order to get a discounted entry fee.
John has a fun day enjoying himself at the amusement park.
The park staff sees through John's fake disability and call him out on it causing him much embarrassment.