A couple of bad experiences mentioned there from grimsleeper including his Layang Layang trip 3 years ago. I don't doubt any of what he says, but it is often a question of expectation and what you are used to. Layang Layang is a small remote island with an air strip, no natural beach and only 1 resort - not many similarities with the Solomons.
As grimsleeper rightly says you might hear from others that it was great, and we often do. We just received feedback from Asa Sandberg, Sweden to say 'our vacation was wonderful! We saw both hammer head sharks, whale shark, mantas and more!' She also rated the resort as 5 out of 5 and explained 'Everything, the flight, meals, diving and rooms worked perfectly. Everything was very well organised.'
1 person's 'well-organised' can be another's 'being treated like cattle with too many rules'. Also 1 swallow does not a summer make, so obviously 1 good review is not conclusive, but the same must be said of 1 bad review as above.
Here is a
Layang Layang trip report- a first-hand account by Sheldon Hey from July 2008, if you are looking for more feedback.
As for Sipadan, yes there were plenty of unhappy people when the Sipadan permit arrangements first came into play. Expectations were not managed correctly and a lot of people felt they didn't get as much Sipadan as they were promised.
Now that is less the case. If you book through someone who knows the lay of the land and will give you an honest assessment of your frequency of diving Sipadan, then reality should meet with expectations. Some options give you a statistically better chance of diving Sipadan more frequently.
Booking without doing the research or through someone who doesn't know much about the place, is not the road to satisfaction
Cheers