"The main reason in my view, the fact that the files are named "file_*****""  Yes. that is a major issue. You're going to have to get used to copying the name under the thumbnail and pasting it into the filename in your download dialog.

Taking a second look, I see that the last item added, Biscuit's V4 morph has a prominent text Download link above the ads in addition to the download button at the bottom of the page, and it directs straight to their site. Hopefully  this is a sign that they are modifying things. 

"Democracy is a pathetic belief in the collective wisdom of individual ignorance." - H. L. Mencken