This is a simple and easy to understand role scope plugin, does not clutter the view for customers to much and is a good choice before stepping up into a more complex system.
The advantage is the avabililty to scope the media, and the only thing I miss is a dropdown "sort by users" in media manager or library view.
However, the table sort by user works.
Very logic chosen functionality. If you are locking for grouping wordpress default roles and give them access to diffrent post and media, individual or hide post or access completly in front end, without interfear to much with the core scope, this is a way to go.
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