There is no one backup solution that's best for everyone. Apple doesn't pitch Time Machine as an enterprise class backup solution, but rather a very easy to use utility for the vast majority of home users who otherwise would never do backups, and it seems to fit that role pretty well. And, if you really want redundancy with Time Machine you can always take your external hard drive off site and start a new set of backups with a new hard drive. Time Machine is so easy to use that this process is scantly more work than rotating the media with other more robust backup solutions. So, while Time Machine may not be the perfect backup solution for all users, it's vastly better than the solution most users employ, which is nothing.

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