I think it is easy for righteous indignation over patients who have fallen through the cracks to sound like an indictment of all sleep professionals, but I am not under the impression that disdain or "hate" for everyone in the profession was ever the intention of sleepguide's posts here or elsewhere. Sleepguide.com has professionals associated with it, including sleep doctors, therapists, techs, and DME managers, so I have never perceived any "hate-mongering" or stirring up trouble, myself--just recognition that the system is less than perfect and that some professionals may be doing a better job than others.
Personally, I am not surprised about the positive reviews of sleep professionals from the people here. Much of what I've learned on this site and at Sleepguide.com has increased my respect for the jobs done by professionals and the challenges they face. I think our expectations are sometimes skewed in that we expect from a sleep doc what we should expect from a therapist or tech, and many of us are disappointed in the effectiveness of our therapy, and that frustration gets expressed in patients' posts in forums and in how they speak of their team.
My perception is that the creation of Sleepguide.com was based partly on the idea of patients using software to monitor their own therapy in cooperation with their medical team. Thus the statements about the need for patient software. 
The only statement I have seen in this thread that might be misread as wholesale denigrating, or dislike-mongering, so far, from my point of view, is the following statement:
Muffy wrote: . . . because nobody on that site has the SFI how to use it anyway. . . .
I am on that site. But I forgive you, Muffy.   And one day I would like to introduce you to Molette, a very bright and helpful poster over there.  
That having been said, I have 
not filled out a review of my sleep doc, myself. Here's why. I like him. He was 
exactly what I needed. But he may not be exactly what some 
other patient needs. I have no way of knowing, though. He does not seem to be a hand-holder and does not seem to me to involve himself in the details of therapy. But he is fully supportive of my efforts to make my therapy work and has been an advocate for me with dealing with a problematic DME. He is responsive over the phone, but does not schedule office visits to check on me. That meets my expectations 
perfectly, but from what I've read, others would be disappointed with that approach. For all I know, though, he would alter his approach for patients with other expectations. Again, I have no way of knowing.
In fact, the whole idea that patients can effectively judge which docs are "stupid" and which aren't, based only on their single experience, is a somewhat foreign thought to me. Like I said, my doc doesn't seem to know much about home machines, but I still think him to be a brilliant man from what I can tell. Someone else, though, might consider him useless as a doctor for not knowing home machines inside and out. So I hesitate to post a review based on my assumptions of what he might or might not do for others. For that and similar reasons, I would likely question reviews from other patients on sleep docs, too, anonymous or otherwise.
On the other hand, the idea of reviews of specific DMEs 
does make sense to me. Not so much to condemn, but to hold up the good ones as examples and to foster competition in that aspect of the sleep industry. I think it is useful for patients to hear about the experiences of other patients in dealing with DMEs, online and otherwise, because I would hope that might allow the cream to rise to the top of public consciousness. And I have a feeling CPAP.com would win that contest hands down.
The above is just my individual take on some complicated issues, and other takes are certainly as valid as mine, probably more so, in view of my relative inexperience.
jeff