I think part of the problem is culture has changed. A joke that is racist or homophobic that would have been considered hilarious 30 - 40 years ago may simply

I think part of the problem is culture has changed. A joke that is racist or homophobic that would have been considered hilarious 30 - 40 years ago may simply not considered all that funny anymore. It may still be that PC culture is going too far, but I think it's not the whole story