Conspiracy theory - good. But I have also had problems, and while the point about DLing free files is valid, it doesn't help those of us for whom the subject service fails almost all of the time. Me for one. And I am not conspiring in any way.
Typically it simply acts as though there is already a DL in progress. That lasts for days at a time (like the present time for me). I have mailed them, and get no response. OK, fine. But it doesn't change either.
So the files you take the time to upload can't be downloaded. Which is the only saving grace I see for the oft seen situation of many uploads of the same files by different people. Sooner or later it usually comes up on another service, and that poster gets the ... well ... whatever comes from DLing their files.
This is not a complaint against posters, but a description of the situation with services. Rude and irritating, possibly. Frustrating, definitely.