I think therapists do it all the time, but most deny it and don't tell the client. They tend to like to portray themselves as better than others when they really are not. It wouldn't matter to me, but I think the profession needs to be more honest with clients. I also think when they don't do it it is not for some noble higher reason, but more because they really just don't care enough to bother doing it.
I do not see it as hypocrisy at all - the therapist sets themselves out as other and clients are encouraged to rely on it. So a client gets to do all sorts of stuff the therapist cannot or is not supposed to do. They set the game up that way - not clients.