Some of it is negative, though, like the first. Although I think the main reason people bring it up is because the first point of the first comment is pretty funny/infamous:

> For a Linux user, you can already build such a system yourself quite trivially by getting an FTP account, mounting it locally with curlftpfs, and then using SVN or CVS on the mounted filesystem. From Windows or Mac, this FTP account could be accessed through built-in software.