Can't say I like the company, it's good that a lot of their files are legitimate but they really didn't care about pirated files in the slightest. One of my friends ran a company selling physical software and hired outside help to find and serve DMCA notices to sites hosting cracked full versions of the software. Megaupload generally complied with the notices but every single time the file was taken down it was put up again a few days later (the exact same file with the exact same file size). They could have implemented even a very basic md5 check to stop this from happening but they chose not to because they knew it would bring more profits if they didn't.