i think actors should perform the stunts upto certain extent,because the movie has to look real.people tend to watch the movies of actors performing their own stunts.Tell me how dont like Jackie chan ,van damm,tony jha(Thai Actor) movies........
I think a lot of the time it's the studio bosses who don't want the actors to perform dangerous stunts because if the actor gets injured, the film shoot gets delayed and the studio can end up losing a lot of money due to the delays.