Ferguson getting picked on

For those of you who have been following the news lately, you may have heard that Liverpool boss Rafael Benitez has made statements (which seem to be supported by former refs as well) that Ferguson seems to be able to get away with anything he says to refs. I agree that this may be true and that the FA needs to be doing something about it, but I ask, why has it taken this long for someone to finally speak out about this? If it was such a big deal then why didn't anyone say anythig earlier? I feel that there is definately something more to this than just anger at a double standard.