If you do not have good protection on your site Documents can easily get lost. A few of those files may be stored in your computer and easily replaceable, but what about the rest of them? If you lose them the first time where are you going to get them from again? For sites that have been in business for a very long time, fix wordpress malware removal is very important. Often sites have created a large number of files and have a lot of data. Recreating all of that would be a nightmare, and not something any business owner wants to do.
I protect an access to important files on the site's server by placing an index.html file in address the particular directory, that hides the files out of public view.
Maintain control of your online assets - Nothing is worse than having your livelihood in someone else's hands. Why take chances with something as important look at here as your site?
Imagine if you visit WP-Content/plugins, can you view that folder? If so, upload this blank Index.html file inside that folder as well so people can't see what plugins you might have. Because if your version of WordPress is up to date, if you are using an old plugin or a plugin with a security hole, someone can use this to get access.
The plugin should be regularly updated play nice with of your other plugins to stay current with the latest WordPress release and have WordPress and restore capabilities. The ability to clone your website (in addition to regular backups) can be helpful if you ever need to do an offline site redesign, among other things.