BLOG by Dennis Garavsky: How to: Hide the 'Protected Content' Columns in List Views and Property Editors in Detail Views

This approach is not new and is based on the ConditionalAppearance module, which is already used for similar tasks. So, you can use it in both v15.1 and earlier versions. Let me know in comments if this something you would like to implement in your app (we had more than a dozen similar requests from our customers in this regard).