Attached Link: Some reasons for using multiple partitions

It's true that having multiple partitions may not necessarily work as data protection, especially if you have a mechanical/on-board controller failure of the HD. Partitioning is more about efficiency and organization. Especially with today's large drives, it's usually better to divide the space into two or more partitions.

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