Kametsu has no ability to edit MEGA folders of the users who post uploads. If the folder was emptied, it would be the uploader who did it. In which case it would be Rasetsu themselves. And I can't blame them. Some asshole shared the link, the best option they had at this point to maintain the uploads longevity is to move them to a different folder.

The uploader--not Kametsu or it's staff--indeed shifted folders around, partly as a conspiracy against you personally and partly as a means of just making sure it stays up for more than a few hours. Mostly the latter, actually--I don't really know most of the anons here and bear no such grudge, yet.

The original person above may or may not have been thinking they were being helpful--since this may or may not be actually fetched for AT DDL mirrors--but the reason for the reaction on this matter is that, either way, it puts the longevity of the private link at some risk. Whether it was intended as malicious or not, it can have that effect; and if it's something that happens pretty often, it can become a bigger issue.