Why are Boman Irani and Johnny Lever props in Dilwale?

Johnny Lever was awesome in that scene where Kajol hits him. 🤣 But he was a prop and what happened to Boman Irani? His character doesn't make sense. I love these two comedians and hope they get better movies in future. Why are Boman Irani and Johnny Lever props in Dilwale? 😆