Bill, in this case you didn't give an opinion, but a command. At best, it was a suggestion.
J and J wasn't to my liking, either, but I wouldn't dissuade someone else from watching it, given the love it often receives.
I will say, though, that I think it has turned my wife away from French cinema. I am trying to convince her that they're not all like that. She's not sure she believes me.